How to Replace a Wired Doorbell with a Smart One: A Complete Guide for 2025

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1. Introduction: Why Upgrade from a Wired Doorbell to a Smart Video Doorbell

Traditional wired doorbells served their purpose well—ringing a chime when someone pressed the button. But in today’s digitally connected world, campainhas de vídeo inteligentes offer a significantly enhanced experience for both residential and commercial users.

Key Benefits of Replacing Wired Doorbells with Smart Ones:

  • Monitoramento Remoto: View live video feed from your smartphone anywhere, anytime.
  • Visão noturna infravermelha: Get instant notifications when someone approaches your door.
  • Áudio bidirecional: Communicate with visitors or delivery personnel without opening the door.
  • Gravação de vídeo: Record and store footage for security and evidence.
  • Smart Integrations: Works with Alexa, Google Assistant, and other smart home ecosystems.

Business Use Cases

Para compradores B2B such as property managers, building contractors, and smart doorbell distributors, upgrading to smart solutions:

  • Increases property value
  • Enhances security offerings
  • Reduces liability risk
  • Improves tenant satisfaction

2. Step-by-Step Guide: How to Replace a Wired Doorbell with a Smart Doorbell

Replacing a traditional wired doorbell with a smart one is easier than most people expect. Below is a detailed guide tailored for both individual consumers and B2B installers.

Step 1: Turn Off Power

  • Turn off power at the circuit breaker to avoid electric shock.
  • Double-check with a voltage tester.

Step 2: Remove the Old Doorbell

  • Unscrew the existing doorbell button.
  • Gently pull it out to expose the wires.

Step 3: Prepare the Wires

  • Take note of wire placement or take a photo.
  • Disconnect the wires and straighten them.

Step 4: Attach the Mounting Plate

  • Use the included template to drill holes.
  • Screw the mounting bracket into place.
  • Feed the wires through the mounting plate.

Step 5: Connect the Smart Doorbell

  • Connect the two wires to the terminals on the back of the smart doorbell.
  • Secure the device onto the mounting plate.

Step 6: Turn Power Back On

  • Switch the power back on from the circuit breaker.
  • The device should power up and show a setup prompt.

Step 7: Connect to WiFi and App

  • Download the compatible doorbell app.
  • Follow the on-screen instructions for pairing and WiFi setup.
  • Customize settings like motion detection, alerts, and zones.
EtapaTarefaFerramentas necessáriasTempo estimado
1Desligar a alimentaçãoScrewdriver, voltage tester5 min
2Remover a campainha antigaChave de fenda5 min
3Prepare wiresWire stripper (if needed)5 min
4Install mounting plateFuradeira10 min
5Connect smart doorbellChave de fenda5 min
6Restabelecer a energiaNenhum2 min
7Set up appSmartphone10–15 min

3. Tools and Requirements for Installing a Smart Video Doorbell

Seja você um proprietário de casa ou um video doorbell installation contractor, having the right tools and materials ready makes installation smooth and professional.

Essential Tools

  • Flathead and Phillips screwdrivers
  • Drill with appropriate bits
  • Testador de tensão
  • Wire stripper (optional)
  • Level tool
  • Smartphone para configuração da aplicação

Compatibility Requirements

Before you buy or install a smart doorbell, confirm the following:

Compatibility FactorDescriçãoPor que isso importa
WiFi Connection2.4GHz (some support 5GHz)Required for remote access
Fonte de alimentação16–24V ACMatches traditional wired systems
Existing ChimeMechanical or digitalSome smart doorbells need a compatible chime
Mounting SurfaceWood, brick, stuccoMay affect ease of drilling and installation

Optional Accessories for B2B Integrators

  • Chime extenders for large properties
  • Corner mounts for angled views
  • Solar panels for hybrid power solutions
  • Cloud storage plans ou Compatibilidade com NVR

If you’re purchasing for commercial use or resale, consider OEM smart doorbell kits like those from FARHD’s product range which offer complete hardware/software integration and compatibility with existing systems.

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4. Caraterísticas da campainha de vídeo inteligente a procurar em 2025

The smart home market is rapidly evolving, and video doorbells are no exception. For homeowners and distribuidores de campainhas com vídeo alike, staying updated with the latest features can significantly impact product selection and customer satisfaction.

Must-Have Smart Doorbell Features in 2025

Whether you’re buying for personal use or sourcing products in bulk for resale, prioritize the following features:

CaraterísticaDescriçãoPor que isso importa
Detecção de movimento com tecnologia de IADistinguishes between humans, vehicles, animalsReduces false alarms
2K ou Resolução 4KHigher video qualityEnhances facial and license plate recognition
Visão Noturna com IR ou CorClear images in darknessProtects your entryway 24/7
Áudio bidirecionalTalk to visitors or couriersImproves communication and safety
Opções de armazenamento em nuvem e localVideo retention flexibilityMeets varied user needs
Battery & Wired Hybrid PowerDual powering modesGarante a operação contínua
Weatherproofing (IP65/IP66)Protection against rain, snow, dustIdeal for outdoor use
Smart Home Ecosystem IntegrationAlexa, Google Home, Apple HomeKitOffers voice control and automation
Tamper Alerts & Theft ProtectionSends alerts if device is removedEnhances security and deterrence
Acesso Multi-UsuárioMultiple family or staff members can accessIdeal for homes and businesses

Features Tailored for B2B Use Cases

Se é um video doorbell wholesaler, integrador de segurança, ou desenvolvedor de propriedades, look for models that also offer:

  • Multi-Doorbell Management Dashboard
  • Customizable Firmware (for branding or regional compliance)
  • ONVIF Protocol Support (for integration with NVR systems)
  • Ferramentas de Configuração em Lote para implementações em grande escala

Sugestão para compradores B2B: Partner with a manufacturer like FARHD for access to OEM/ODM customization options, firmware tuning, and hardware flexibility.


5. Campainhas de vídeo com fios vs. sem fios: Prós e contras

Escolher entre um com fio e sem fios smart video doorbell depends on the installation environment, budget, and technical requirements. Here’s a breakdown to help both individual consumers and B2B smart doorbell suppliers make the right choice.

Tabela de Comparação: Campainhas Inteligentes com Fio vs Sem Fio

CritériosCampainha com fioCampainha sem fio
Fonte de energiaExisting electrical wiringBateria recarregável ou solar
Complexidade da instalaçãoModerate (requires wiring)Easy (no wiring needed)
ConfiabilidadeHigh; consistent powerDepends on battery life
Encontrar a melhor câmera de campainha sem assinatura pode ser opressor devido ao grande número de opções disponíveis. Abaixo estão alguns dos modelos de melhor desempenho, adequados para proprietários e compradores de empresas que procuramUsually higherComparable, varies by model
ManutençãoBaixaExige recarga de bateria
Caso de utilização idealCasas permanentes, construções novasAlugueres, apartamentos, reabilitação
IntegraçãoSeamless with existing chimesMay need wireless chime module
Cost (B2B Bulk)Médio a altoBaixo a médio

Considerações B2B

  • Modelos com fios são ideais para:
    • Novos empreendimentos residenciais
    • Edifícios comerciais with existing wiring
    • Instalações de longo prazo where maintenance should be minimal
  • Modelos sem fios são ideais para:
    • Imóveis para arrendamento e instalações temporárias
    • Retail sales where DIY installation is key
    • International shipments where power standards vary

For a complete solution, some manufacturers like FARHD offer both wired and hybrid models designed for villa and apartment systems with modular expansion options.


6. How to Use a Smart Doorbell with Alexa or Google Home

For consumers and integradores de casas inteligentes, seamless integration with voice assistants is a major selling point. Let’s explore how to set up and use video doorbells with Alexa and Google Home.

Integração Alexa

Most modern smart doorbells are compatible with Amazon Alexa. Here’s how to set it up:

  1. Install the Native App: Set up your doorbell using the manufacturer’s app.
  2. Enable the Skill: Open Alexa app → Skills & Games → Search for your doorbell brand → Enable it.
  3. Link Account: Log in to your doorbell account to authorize Alexa.
  4. Descubra dispositivos: Alexa will automatically detect and add your doorbell.
  5. Use Commands:
    • “Alexa, show the front door.”
    • “Alexa, talk to the visitor at the front door.”

Integração com Google Home

Similar to Alexa, Google Home allows you to control and view your doorbell feed.

  1. Abra o aplicativo Google Home.
  2. Tap ‘+’ to Add Device.
  3. Choose ‘Works with Google’ and search for your doorbell.
  4. Log in and Authorize.
  5. Use comandos de voz:
    • “Ei Google, mostre a porta da frente.”
    • “Hey Google, talk to the front door.”

Relevância B2B

Se é um campainha com vídeo Fornecedor OEM, make sure your product supports:

  • RTSP or WebRTC protocols
  • API/SDK for third-party integrations
  • Dual-platform compatibility (Alexa & Google)

This is particularly important for distributors targeting markets in América do Norte e Europa, where voice assistant usage is high.

Dica profissional: When sourcing from manufacturers like FARHD, you can request firmware integrations preloaded to optimize compatibility with smart ecosystems.

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7. Best Smart Video Doorbells for Home and Business Use

Choosing the right smart video doorbell depends on the use case—whether you’re a homeowner, a landlord, or a distribuidor de campainhas com vídeo sourcing for resale. Below is a curated list of top-performing models for 2025, categorized by purpose and market segment.

For Residential Use

MarcaModeloPrincipais recursosPosição no mercado
AnelVideo Doorbell Pro 21536p HD, Alexa integration, 3D motion detectionPrémio
EufyCampainha de Vídeo DuplaDual-camera, AI detection, no subscriptionHigh-end
Google NestCampainha Nest (Bateria)24/7 streaming, Google AssistantMid-range
ArloCampainha com vídeo essencialHD video, direct-to-mobile callsMid-range

For Commercial or Multi-Family Installations

MarcaModeloPrincipais recursosPosição no mercado
FARHDsérie de intercomunicadores de vivenda com 4 fiosIntegrated LCD display, indoor monitor, access controlEnterprise-grade
FARHDMulti-Apartment Intercom KitSupports up to 999 units, modular installation, elevator controlHigh-density buildings
DoorBirdIP Video Door StationIP65, PoE, remote accessPremium commercial
AkuvoxR20 SeriesSIP protocol, access control integrationCommercial/Office

Porque é que a FARHD se destaca para os compradores B2B

Shenzhen FARHD Tech Co., Ltd. (FARHD) is a leader in OEM/ODM video doorbell manufacturing, offering scalable, high-quality, and customizable solutions for global markets.

FARHD Highlights:

  • 13 linhas de produção em uma fábrica de 5.500 m²
  • 60%+ China market share, strong presence in Italy, Korea, Turkey
  • End-to-end manufacturing: from LCD modules to complete intercom systems
  • Certificado ISO 9001, CE, ROHS, FCC, SGS
  • R&D-driven, with vertical supply chain integration

FARHD offers comprehensive solutions for:

  • Marcas de casas inteligentes looking to private label
  • Incorporadores imobiliários building integrated access control
  • Security system distributors in need of bulk, ready-to-install kits

Explore their full range of smart video intercom products for residential and commercial applications.


8. Top Smart Video Doorbell OEM Manufacturer: Why Choose FARHD

Se é um Comprador B2B, security solution integrator, ou distribuidor looking for a trusted OEM partner, FARHD is the go-to name in China. Here’s why:

What Makes FARHD Unique?

CaraterísticaBenefício
Complete Manufacturing ControlFrom LCD to finished intercom ensures consistent quality
Serviços OEM/ODMCustom hardware, firmware, branding
Certificações GlobaisISO 9001, CE, ROHS, FCC, SGS
Recursos de P&D260+ employees with a dedicated innovation team
Equipamento avançadoYAMAHA SMT lines ensure precision and scale
Suporte pós-vendaGlobal service network and technical support

Core Offerings

  • OEM Smart Doorbell with App Integration
  • 4-Wire and IP Villa Intercom Systems
  • Multi-Apartment Intercom Kits
  • LCD/LCM Modules for Custom Displays
  • Battery and Wired Hybrid Solutions
  • AI-Powered Smart Access Control

Ideal para:

  • Private label brands seeking fast time-to-market
  • Integradores de sistemas domésticos inteligentes needing embedded solutions
  • Construtoras building smart communities
  • Varejistas sourcing bulk smart doorbells at competitive prices

Get in touch with FARHD through their contato to request a quote, sample, or OEM consultation.


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9. FAQ: Replacing a Wired Doorbell with a Smart Doorbell

Q1: Can I use the existing doorbell wiring for my new smart doorbell?

R: Yes, most smart doorbells are designed to be compatible with standard 16–24V AC wiring from traditional setups.

Q2: Do I need a subscription to use smart doorbells?

R: Not always. Brands like Eufy and FARHD offer opções de armazenamento local, while others like Ring or Arlo may charge for cloud storage.

Q3: What if my doorbell is not near my WiFi router?

R: Use a WiFi extender or mesh system to improve signal strength. Some models also support PoE (Power over Ethernet) for a wired connection.

Q4: Is a wired or wireless doorbell better for rental properties?

R: Wireless models are ideal because they’re easier to install and remove without damaging the property.

Q5: Can I integrate smart doorbells into my existing security system?

R: Yes, many doorbells support RTSP, ONVIF, or proprietary protocols for integration. FARHD offers customizable firmware for this purpose.

Q6: How secure are smart video doorbells?

R: Procure modelos com criptografia ponta a ponta, autenticação de dois fatorese alertas de adulteração. Always change default passwords and keep firmware updated.


Looking to future-proof your security system or launch your own smart doorbell brand? Partner with FARHD, the trusted name in global OEM video doorbell manufacturing, and gain access to high-performance hardware, expert R&D, and unmatched supply chain control.

🛠️ Ready for wholesale quote or sample testing? Contactar a FARHD agora and start building your smart security ecosystem today.

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