How to Upgrade Old Doorbell to Smart Doorbell: A Complete Guide for 2025
Gennaio 27, 2026
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Why Upgrade from a Traditional to a Smart Video Doorbell?
Upgrading your old mechanical or analog doorbell to a videocitofono intelligente isn’t just about following trends—it’s about improving security, convenience, and connectivity. Here’s why both homeowners and B2B buyers—like property managers, security system integrators, and wholesalers—are making the switch:
Key Benefits of Smart Video Doorbells
| Caratteristica | Campanello tradizionale | Videocitofono intelligente |
|---|---|---|
| Audio bidirezionale | ❌ | microfono e altoparlante integrati |
| Rilevamento del movimento | ❌ | ✅ Instant alerts |
| Vantaggi chiave per gli utenti | ❌ | ✅ Via smartphone apps |
| Registrazione video | ❌ | ✅ Archiviazione in cloud o locale |
| Integrazione con i dispositivi intelligenti | ❌ | ✅ Alexa, Google, etc. |
| Visione notturna | ❌ | ✅ IR or full-color night mode |
| Registro dei visitatori | ❌ | ✅ Time-stamped video records |
| Security Deterrent | ❌ | ✅ Visual presence deters theft |
For B2B Buyers and Installers
- Sviluppatori immobiliari: Add value to new builds or renovation projects.
- Installers & Integrators: Upsell smart doorbell installations as part of a wider home automation package.
- Wholesalers & Distributors: Tap into growing demand for smart access control systems.
A smart video doorbell is no longer a luxury—it’s a necessity in today’s connected world.
Understanding Smart Doorbell Tech: Features That Matter in 2025
Modern smart doorbells have evolved far beyond simple video streaming. Whether you’re a homeowner upgrading your system or a distributore di campanelli video looking for the best tech to stock, knowing the key features is essential.
Must-Have Smart Doorbell Features in 2025
- Completo HD or 2K Resolution
- Clearer facial recognition, license plate visibility.
- Great for forensic-level security footage.
- Rilevamento del movimento basato sull'intelligenza artificiale
- Reduces false alerts (e.g., passing cars or animals).
- Recognizes human shapes and even packages.
- Dual Power Options (Battery + Wired)
- Flexibility for different installation environments.
- Ideale per wireless video doorbell bulk orders.
- Archiviazione locale + cloud
- Offre ridondanza e scelta dell'utente.
- Excellent for privacy-conscious markets like Europe.
- App Integration with Push Notifications
- Instant alerts, live view, and playback features.
- Required feature for OEM video doorbells with app.
- Design resistente alle intemperie (IP65 o superiore)
- Allows reliable outdoor use.
- Essential for European and North American climates.
Tecnologie emergenti nel 2025
| Caratteristica | Descrizione | Business Value |
|---|---|---|
| Riconoscimento facciale AI | Identifies frequent visitors or family members | Great for apartment security |
| Sistemi a doppia telecamera | One for face view, one for package zone | Reduces package theft complaints |
| Radar-Based Motion Sensing | More accurate than PIR sensors | Reduces false alarms, saves cloud storage |
| Voice Assistant Routines | Trigger lights or alarms with Alexa or Google | Adds “wow” factor for smart home packages |
| Opzioni di branding personalizzate | Support for OEM/ODM private labeling | Ideale per video doorbell custom branding |
How to Choose the Right Smart Doorbell for Your Existing Setup
Before you upgrade, assess your current doorbell system. This ensures compatibility, reduces installation time, and avoids unnecessary purchases. Whether you’re a proprietario di casa o un Acquirente B2B, here’s a structured way to make the right choice.
Step 1: Determine Power Source
- Wired Doorbell System
- Typically operates at 16-24V AC.
- Choose a smart doorbell that supports wired input.
- Benefits: Constant power, no battery charging needed.
- No Existing Doorbell or Battery-Only Setup
- Opt for a mercato dei videocitofoni wireless with rechargeable battery.
- Ideal for renters or older homes without doorbell wiring.
Step 2: Evaluate WiFi Strength at the Door
- Smart doorbells require at least 2.4GHz WiFi signal.
- Consider dual-band WiFi (2.4GHz + 5GHz) if upgrading entire home system.
Step 3: Decide on Recording Type
| Recording Option | Pro | Contro |
|---|---|---|
| Archiviazione in cloud | Remote access, no local hardware | Monthly fees, privacy concerns |
| Stoccaggio locale | One-time cost, privacy-friendly | Risk of theft or damage |
| Ibrido | Il meglio dei due mondi | Costo iniziale più elevato |
Step 4: Choose Based on Use Case
| Tipo di acquirente | Funzionalità consigliate |
|---|---|
| Proprietari di case | 2K resolution, two-way audio, app control |
| Proprietari/gestori di immobili | Multi-user access, remote monitoring, cloud storage |
| Installatori | Easy setup, compatibility with multiple power sources |
| Distributori e grossisti | Custom branding, international certifications, OEM/ODM availability |
Fornitore consigliato: FARHD
Se sei un B2B buyer or reseller, working with a trusted manufacturer is key. FARHD is a leading OEM/ODM smart video doorbell manufacturer based in China. They offer:
- Full R&D and design-to-delivery services
- Smart doorbells with app integration
- Branding e imballaggio personalizzati
- ISO, CE, ROHS, and FCC certified products
Whether you’re sourcing for retail, property development, or tech integration, FARHD provides reliable, scalable, and customizable solutions for your smart doorbell needs.

Step-by-Step Guide: Replacing an Old Doorbell with a Smart Video Doorbell
Upgrading your existing doorbell to a smart video doorbell can be straightforward if you follow the right steps. Whether you’re a homeowner doing it yourself or a professional installer servicing residential or commercial properties, this guide simplifies the process.
Strumenti & Materiali necessari
- Smart video doorbell unit
- Power drill and screwdriver
- Tester di tensione
- Mounting brackets (usually included)
- Wire connectors or wire nuts
- Optional: Diode (for digital chimes)
- Smartphone with the doorbell app installed
Processo di installazione passo-passo
Step 1: Turn Off Power
- Go to your home’s breaker panel.
- Switch off the power to the doorbell circuit to avoid electric shock.
- Utilizzare un voltage tester to confirm no power at the doorbell wires.
Step 2: Remove the Old Doorbell
- Unscrew the old doorbell button from the wall.
- Carefully disconnect the wires from the terminals.
- If wires are short, gently pull extra length from the wall.
Step 3: Prepare the Mounting Plate
- Use the included mounting template to mark screw holes.
- Drill holes and insert anchors if mounting on masonry or stucco.
- Attach the mounting bracket securely to the wall.
Step 4: Connect Wires to the Smart Doorbell
- Identify your doorbell’s terminal labels (usually “Front” and “Trans”).
- Connect the wires to the appropriate terminals.
- Use wire nuts or clips to secure the connection.
Step 5: Attach the Doorbell
- Place the smart doorbell onto the mounting bracket.
- Secure it with the provided screws or locking mechanism.
- Restore power from the breaker box.
Step 6: Configure the Smart Features
- Use your smartphone to download the doorbell app.
- Connect the doorbell to your home WiFi network.
- Test video, motion detection, and two-way audio functions.
Installation Tips for B2B Installers
- For Apartment Buildings: Recommend multi-unit compatible systems that can assign separate access to each tenant.
- For Commercial Use: Ensure piani di archiviazione cloud are scalable for high-volume event recording.
- For Remote Projects: Choose doorbells with batteria di backup or solar charging options.
Smart Upgrade for All Use Cases
| Caso d'uso | Configurazione consigliata |
|---|---|
| Case unifamiliari | Wired + Cloud/Local storage combo |
| Appartamenti | Wireless + central monitoring system |
| Proprietà in affitto | Battery-powered + easy reinstallation |
| Business premises | Wired + motion zones + AI face detection |
💡 For high-volume installations, FARHD offers bulk-ready smart video intercom systems with integrated access control and 4-wire villa compatibility.
Wired vs Wireless Smart Doorbells: Which One Is Better for Upgrading?
One of the most common questions when upgrading to a smart doorbell is whether to go wired or wireless. Each option has pros and cons depending on your existing infrastructure, technical skills, and use case.
Let’s compare them side-by-side:
Tabella di confronto: Con cavo e senza cavo
| Caratteristica | Wired Smart Doorbell | Wireless Smart Doorbell |
|---|---|---|
| Fonte di alimentazione | Hardwired into existing doorbell wires | Rechargeable battery or external power |
| Complessità dell'installazione | Medium – requires existing wiring | Easy – no wiring required |
| Manutenzione | Basso | Medium – battery charging required |
| Qualità video | High (consistent power supply) | High (but may drop if battery is low) |
| Internet Connection | Requires stable WiFi | Requires stable WiFi |
| Ideale per | Proprietari di case con cablaggio esistente | Renters, apartments, mobile homes |
| Price Category | Da medio ad alto | Basso a medio |
| Portabilità | Fisso | Portatile |
Best Use Cases for Each
- Campanello cablato:
- Permanent homes
- Luxury or high-security properties
- Areas with frequent foot traffic
- Campanello wireless:
- Rental units or temporary housing
- Older homes without wiring
- Fast installation needed
Considerazioni B2B
- Installers & Integrators: Offer both options based on customer’s existing setup.
- Sviluppatori immobiliari: Include wired options in new constructions for long-term value.
- Grossisti: Stock both types to offer flexibility in different market segments.
FARHD Dual-Power Smart Doorbells
FARHD offers smart doorbells that support both wired and wireless configurations, giving partners and resellers the ability to meet diverse customer needs with a single product line. Their dual-power models are:
- Facile da installare
- Adaptable for global markets
- OEM-ready for branding and packaging customization
Smart Doorbell Compatibility with Alexa, Google Home & More
A modern smart home demands seamless integration. Compatibility with platforms like Alexa, Google Home, and even Apple HomeKit can dramatically improve the user experience of a video doorbell.
Why Integration Matters
- Controllo a mani libere: View live camera feed via Echo Show or Google Nest Hub.
- Routine Triggers: Trigger lights, alarms, or locks when motion is detected.
- Comandi Vocali: Ask “Alexa, who’s at the door?” for quick visual check-ins.
Compatible Smart Ecosystems
| Piattaforma | Capacità di integrazione | Popular Brands Supporting It |
|---|---|---|
| Amazon Alexa | Two-way audio, live view, routines | Ring, Eufy, FARHD, Arlo |
| Google Assistant | Live video feed, voice control, smart routines | Nest, Arlo, FARHD, Ezviz |
| Apple HomeKit | Secure video, automation, Siri commands | Logitech Circle View, FARHD (future roadmap) |
| IFTTT | Custom automation between devices | Cross-platform support including FARHD |
What to Look for in a Compatible Device
- RTSP/ONVIF Support: For custom integrations (especially important in B2B use).
- Notifiche Push: Real-time alerts to multiple users.
- Multi-Platform App Access: Android, iOS, and web portal access for flexibility.
FARHD Integration Capabilities
As a technology-forward OEM, FARHD ensures all smart doorbells support cloud platforms and APIs for smart home integration. Their doorbells:
- Support Alexa & Google Home out of the box
- Offer SDK for custom integrations (ideal for enterprise and B2B usage)
- Allow white-label partners to build branded smart experiences
FARHD’s in-house R&D and vertical integration make them a reliable partner for scalable smart home solutions.

Best Smart Doorbells for Apartments, Rentals, and Multi-Family Units
Choosing a smart video doorbell for apartments, rental homes, or multi-unit buildings presents unique challenges. Space constraints, limited wiring access, and tenant turnover require flexible and scalable solutions. Whether you’re a proprietario, gestore di immobili, o fornitore B2B, understanding the best product options for these environments is key.
Key Requirements for Multi-Unit or Rental Properties
- Non-invasive Installation: Preferably wireless, no drilling required.
- Accesso mobile: Tenants can use their smartphones for video and audio.
- Multi-User Permissions: Support for multiple residents per unit.
- Archiviazione video cloud: Centralized access to footage for security teams.
- Durata: Weather-resistant and anti-vandal design.
Ideal Features for Apartment & Rental Smart Doorbells
| Caratteristica | Livello di importanza | Descrizione |
|---|---|---|
| Battery Power | ⭐⭐⭐⭐⭐ | No need to tap into building wiring |
| Easy Mounting | ⭐⭐⭐⭐⭐ | Peel-and-stick, magnetic, or screw-mount options |
| App-Based Access | ⭐⭐⭐⭐ | Allows remote unlock for guests or deliveries |
| Accesso multiutente | ⭐⭐⭐⭐ | Tenant + property manager + security staff |
| Archiviazione cloud sicura | ⭐⭐⭐⭐ | Prevents loss of important footage |
| Avvisi di manomissione | ⭐⭐⭐ | Alerts when someone tries to remove the device |
Recommended Configurations by Property Type
| Tipo di proprietà | Tipo di campanello consigliato | Fonte di alimentazione | Note |
|---|---|---|---|
| Single Apartment | Compact wireless smart doorbell | Alimentazione a batteria | Quick install, no wiring required |
| Duplex or Quadplex | Multi-zone video doorbell system | Cablato o ibrido | One device per unit or shared with access control |
| High-Rise Building | Centralized intercom + smart video access | Wired via central panel | Ideale per OEM installation via suppliers like FARHD |
FARHD Solutions for Apartment Buildings
FARHD specializes in multi-unit smart video intercom systems that are ideal for apartment complexes and rental properties. Their systems offer:
- 4-wire villa intercoms for easy retrofitting
- Custom branding and interface localization
- Multi-user app access for tenants and building managers
- Modular design suitable for scalable deployments
These capabilities make FARHD a trusted partner for developers and B2B buyers looking to upgrade apartment security systems with smart video doorbells.
Smart Doorbell OEM & Wholesale Options for Installers and Distributors
La domanda di Videocitofoni smart OEM is booming in 2025, creating massive opportunities for acquirenti B2B, grossisti, e installatori. Whether you’re planning to launch your own smart home brand or distribute white-label products, choosing the right OEM partner is critical.
What B2B Buyers Should Look For in a Smart Doorbell Supplier
| Criteri | Descrizione |
|---|---|
| Servizi OEM/ODM | Custom design, branding, firmware, and packaging |
| Certificazione e conformità | CE, FCC, ROHS, ISO 9001 for global distribution |
| Supporto per l'integrazione delle app | Compatible with iOS, Android, Alexa, Google, and APIs |
| Trasparenza della Catena di Approvvigionamento | Full control over component sourcing and manufacturing |
| Assistenza post-vendita | Reliable warranty, tech support, and logistics |
| Scalabilità | Can handle small MOQs and large enterprise orders |
Why FARHD is the Top OEM Smart Doorbell Manufacturer in China
When you’re sourcing from Asia, one name stands out: Shenzhen FARHD Tech Co.
FARHD OEM/ODM Advantages:
- Integrazione verticale: Control from LCM modules to complete intercom systems.
- Portata globale: 60%+ market share in China and top positions in Korea, Italy, and Turkey.
- Certificazioni: ISO 9001, CE, FCC, ROHS, SGS.
- R&D interna: Over 260 engineers and 13 advanced production lines.
- Flexible Production: Low MOQ for startups, high-volume capacity for enterprise buyers.
Available B2B Services:
- Private label video doorbells
- App-level customization and API access
- Imballaggio e manuali multilingue
- End-to-end logistics and after-sales support
FARHD offre soluzioni complete produzione OEM/ODM services, making it easy for distributors to bring high-quality smart doorbells to market under their own brand.

FAQ: Upgrading to a Smart Doorbell – Common Questions Answered
Q1: Can I install a smart doorbell without existing wiring?
Sì. Wireless smart doorbells with battery power are ideal for homes or apartments without wired systems. They’re easy to install and remove, making them perfect for renters.
Q2: Will the smart doorbell work with my existing chime?
It depends. Some smart doorbells are compatible with mechanical chimes, while others require digital chime adapters or use custom notification sounds via the app. Always check the specifications.
Q3: Is cloud storage necessary?
Not always. Many devices offer local storage via SD card. However, cloud storage provides added security and remote access, which is especially useful for multi-user or business setups.
Q4: Can multiple users access the same smart doorbell?
Sì. Most apps allow multiple users to receive notifications, view live video, and interact with visitors. This is essential for property managers and landlords.
Q5: What’s the best smart doorbell for bulk purchase or resale?
Se stai cercando una trusted OEM smart doorbell supplier, FARHD is your go-to partner. They offer:
- Branding personalizzato
- MOQ flessibili
- Certificazioni globali
- Full manufacturing control
Contact them today to discuss your B2B requirements or request a quote.
Chiamata all'azione finale
Upgrading to a smart doorbell is a smart move for both homeowners and businesses. Whether you’re retrofitting a single home or sourcing for a property portfolio, choosing the right product and partner makes all the difference.
🔹 Ready to upgrade or launch your own brand?
🔹 Need a bulk supplier for smart doorbells with app integration?
🔹 Looking for a reliable OEM factory in China?
👉 Contatto FARHD to get started with OEM/ODM solutions tailored to your needs.
Let your next doorbell be more than just a button—make it smart, secure, and scalable.










