Catalog > Internet of Things (IOT) Related Products > More Platforms SONOFF 4CH PRO R2 WiFi Switch 10A SONOFF 4CH PRO R2 WiFi 10A Switch SONOFF 4CH PRO R2 WIFI SWITC ONOFF 4CH PRO R2 – DIN RAIL 4 GANG INCHING/SELF-LOCKING/INTERLOCK WIFI RF SMART SWITCH. 1-16SEC DELAY IN INCHING MODE Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Turn on/off 4 home appliances remotelySupports switching among inching/interlock/self-locking modesDevice status's synchronously displayScheduled/Countdown timersShare controlSupports setting power on status433MHz RF Remote controlWorks with Amazon Echo, Echo Dot, Amazon TapWorks with Google Home, Google NestWorks with IFTTT Specifications Voltage Range : 90-250V AC(50/60Hz) / 5-24V DCMax Current : 10A/gangMax Power : 2200W/gangWireless Frequency : WiFi 2.4GHzWireless Standard : 802.11 b/g/n & 433MHzSecurity Mechanism : WPA-PSK/WPA2-PSKEnclosure Material : Fire-retardant ABS V0Gang : 4Dimension:145x90x40 (mm)Operating Temperature(recommended) : 0ºC-40ºC(32°F-104°F)Operating Humidity: 5%-90%RH, Non-condensingCertification: CE/FCC/RoHS (Download the Certificate and Reports) Downloads SONOFF Product Comparison 4CH R2 Vs 4CH Pro R2 PDF File 188.56 KB Datasheet - SME SONOFF 4CH PRO R2 WIFI SWITC PDF File 922.71 KB References