![Sonoff 4CH PRO (R3) WiFi + RF smart relay switch with 4 channels, NO/NC and dry contact support - eWelink Store Sonoff 4CH PRO (R3) WiFi + RF smart relay switch with 4 channels, NO/NC and dry contact support - eWelink Store](https://ewelinkstore.com/wp-content/uploads/2020/07/Sonoff_4CHPro_R3_relay_1.jpg)
Sonoff 4CH PRO (R3) WiFi + RF smart relay switch with 4 channels, NO/NC and dry contact support - eWelink Store
![Sonoff 4CH PRO (R3) WiFi + RF smart relay switch with 4 channels, NO/NC and dry contact support - eWelink Store Sonoff 4CH PRO (R3) WiFi + RF smart relay switch with 4 channels, NO/NC and dry contact support - eWelink Store](https://ewelinkstore.com/wp-content/uploads/2020/07/Sonoff_4CHPro_R3_relay.jpg)
Sonoff 4CH PRO (R3) WiFi + RF smart relay switch with 4 channels, NO/NC and dry contact support - eWelink Store
![Sonoff 4ch Pro R3, Smart Wifi Switch 433mhz Rf Wifi Light Switch 4 Gang 3 Working Modes Inching Interlock Smart Home With Alexa - Automation Modules - AliExpress Sonoff 4ch Pro R3, Smart Wifi Switch 433mhz Rf Wifi Light Switch 4 Gang 3 Working Modes Inching Interlock Smart Home With Alexa - Automation Modules - AliExpress](https://ae01.alicdn.com/kf/H3d0e5962f5144084b0bbaaa05c868150d/Sonoff-4CH-Pro-R3-Smart-Wifi-Switch-433MHz-RF-Wifi-Light-Switch-4-Gang-3-Working.jpg)
Sonoff 4ch Pro R3, Smart Wifi Switch 433mhz Rf Wifi Light Switch 4 Gang 3 Working Modes Inching Interlock Smart Home With Alexa - Automation Modules - AliExpress
![SONOFF 4CH Pro R3 Wi-Fi Smart Switch 4-Channel Din Rail Mounting Home Automation,Self-Locking/Interlock Control Home Appliances, RF/APP/Voice/LAN Control, Works with Alexa(1 Pack): Amazon.com: Tools & Home Improvement SONOFF 4CH Pro R3 Wi-Fi Smart Switch 4-Channel Din Rail Mounting Home Automation,Self-Locking/Interlock Control Home Appliances, RF/APP/Voice/LAN Control, Works with Alexa(1 Pack): Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51cArGJKF8L.jpg)
SONOFF 4CH Pro R3 Wi-Fi Smart Switch 4-Channel Din Rail Mounting Home Automation,Self-Locking/Interlock Control Home Appliances, RF/APP/Voice/LAN Control, Works with Alexa(1 Pack): Amazon.com: Tools & Home Improvement
![SONOFF 4CH Pro R3 Wi-Fi Smart Switch 4-Channel Din Rail Mounting Home Automation,Self-Locking/Interlock Control Home Appliances, RF/APP/Voice/LAN Control, Compatible with Alexa(2 Pack) SONOFF 4CH Pro R3 Wi-Fi Smart Switch 4-Channel Din Rail Mounting Home Automation,Self-Locking/Interlock Control Home Appliances, RF/APP/Voice/LAN Control, Compatible with Alexa(2 Pack)](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51FGSxg-4UL._AC_UF894,1000_QL80_.jpg)
SONOFF 4CH Pro R3 Wi-Fi Smart Switch 4-Channel Din Rail Mounting Home Automation,Self-Locking/Interlock Control Home Appliances, RF/APP/Voice/LAN Control, Compatible with Alexa(2 Pack)
![Sonoff 4CH Pro R2 WiFi Smart Switch interlock/self-locking/inching RF 433.92MHz - MEGATEH.eu Online shopping EU Sonoff 4CH Pro R2 WiFi Smart Switch interlock/self-locking/inching RF 433.92MHz - MEGATEH.eu Online shopping EU](https://www.megateh.eu/files/products/00/24/80/sonoff-4ch-pro-r2.jpg)
Sonoff 4CH Pro R2 WiFi Smart Switch interlock/self-locking/inching RF 433.92MHz - MEGATEH.eu Online shopping EU
![Smart irrigation using a Sonoff 4CH Pro R2 flashed with Tasmota and SmartThings webCoRE for the logic. : r/sonoff Smart irrigation using a Sonoff 4CH Pro R2 flashed with Tasmota and SmartThings webCoRE for the logic. : r/sonoff](https://i.redd.it/dwqvj9exvoa51.jpg)