4CHPROR3 4-Gang Wi-Fi Smart Switch With RF Control
The 4CHPROR3 is a 4-gang Wi-Fi Smart Switch with RF Control designed to integrate smart control into your existing home. It allows you to control up to four different appliances or areas of your home independently.
Features:
Three Working Modes: It supports self-locking(turn off/on 4 devices independently), interlock(turn on one device every time, and turn off other devices at the same time) , and inching modes(Turn on 1 device and it will automatically turn off after 0.5-3600s, Each channel supports setting the inching time independently) which you can access and configure directly through the eWeLink app.
Voice Control Compatibility: The device is compatible with voice control through Alexa and Google Home.
Inching Mode: Don’t want to stiffly fumble in the dark for the way? Enable inching mode to set a “on” schedule for your corridor light, and it will automatically turn off after reaching the preset time
RF Control: In addition to Wi-Fi, it can be controlled via RF with a compatible remote controller.
Safety Design: It has a durable flame-retardant PC shell for the safety of connected devices.
Power on State: You can set the On/Off/Keep status for the connected device before power failure to ensure it remains in 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
Operating Temperature(recommended): -10ºC-40ºC(14°F-104°F)
Operating Humidity: 5%-95%RH, Non-condensing