Sonoff 4CHPRO R3
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The Story
The Sonoff 4CHPRO R3 is a versatile 4-channel WiFi smart switch that lets you control up to four home appliances independently from anywhere using the eWeLink app or a 433MHz remote. With three operational modes including self-locking, inching, and interlock, plus DIN-rail mounting for professional installations, this hacker-friendly device offers both convenience and customization for modern smart homes.
add_circle The Upside
- check Allows remote control of multiple appliances via smartphone app
- check Flexible installation with DIN-rail mounting for professional setups
- check Customizable with three different operational modes for various use cases
remove_circle The Downside
- close Requires 2.4GHz WiFi network (no 5GHz support)
- close Limited to 10A per channel which may not support high-power appliances
- close Setup may require technical knowledge for advanced features
Specifications & features
Key features
- check_circle 4-channel WiFi control via ESP8285 module
- check_circle Three operational modes: self-locking, inching, and interlock
- check_circle 433MHz remote control capability
- check_circle DIN-rail mounting for professional installations
- check_circle Hacker-friendly with external firmware flashing support
Specifications
Wireless Frequency
2.4GHz
Operating Temperature
0°C-40°C (32°F-104°F)
Operating Humidity
5%-90% RH, Non-condensing
Max Current per Channel
10A
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