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Small green circuit board with four relay blocks and a silver WiFi module

Traditions (Generic)

Traditions (Generic) 8266 4CH 5V WiFi Relay Module computer power cord

SKU CH-HC71-SFN7E

A four-channel Wi-Fi relay module for 5 V smart-home switching via mobile app

  • 4-channel Wi-Fi relay enables remote switching via mobile app
  • ESP8266 chip provides wireless connectivity for smart-home control
  • 5 V operating voltage suits low-power automation projects
  • Four independent channels allow separate device management

8266 4CH 5V WiFi Relay Module

This 8266 4CH 5V WiFi Relay Module provides four independent channels for smart home automation. It connects to a local network for mobile app remote control of connected appliances. The module operates on a 5 V supply and suits DIY enthusiasts building custom switching projects.

Upgrading from basic timer switches

Buyers who need voice assistant integration or cloud-based scenes without a local hub should note this module relies on the supplied mobile app for remote access. It replaces simple mechanical timers but does not add advanced scheduling logic beyond the app capabilities.

How it compares

Measured against everything we stock in PC Power Cables, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 73% of the 1,029 comparable items (median $15.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What voltage does the 8266 4CH WiFi relay module require to operate?

The module runs on a 5 V supply, so provide a stable 5 V source that can deliver enough current for all four relay coils.

How do you connect the relay module to the mobile app for remote control?

Power the board, put the ESP8266 into configuration mode, join its temporary Wi-Fi network from your phone, enter your home SSID and password in the app, then save to link the device.

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