Sonoff 4CH Pro R3 WiFi Smart Switch

• Remotely control connected lights or devices via APP
• 3 working modes with self-locking, interlock and inching mode for even remote control garage door and roller blinds
• Support scheduling a timer to make devices automatically start and stop to work
• Customize smart scenes to make the device connected with the switch to trigger other devices
• Share the control permission of devices to other accounts to control together
• Check real-time ON/OFF status of devices on your mobile phone
• Power on state allows users to set the On/Off/Keep status for the connected device before power failure and ensure it remains the arranged status after power restoration

Specifications

• Voltage Range : 100-240V AC 50/60Hz(DC: 9-23V)
• Max. Load : 10A/2200W/Gang 40A/8800W/Total
• Wireless Frequency : WiFi 2.4GHz 
• Wireless Standard : IEEE802.11 b/g/n 2.4GHz2.4GHz(2400M-2483.5M); 
• Security Mechanism : WPA/WPA2
• Enclosure Material : PCV0
• Gang : 4
• Dimension:145*90*34 (mm)
• Operating Temperature(recommended) : -10ºC-40ºC(14°F-104°F)
• Operating Humidity : 5%-95%RH, Non-condensing
• 4CHPROR3 Certification:  CE, FCC