* One Switch But Three Actions: Customize your smart home with various button actions to control more devices by single press, double press or long press.
* One Action Controls A Group of Devices: Control blinds with SONOFF 4CHPROR2 4-gang smart switch. You can turn on 4 lights at the same time by single tapping.
* Control A Light at Two Locations: Support two-way control. Connect the button with SONOFF smart wall switches and it can turn off the light downstairs after you go upstairs.
* Low-battery Notification: You will get a notification of low-battery level when the battery life gets 10% remaining.
* Handy Button, Handy Control: Engineered to a small unit and you can take it to any corner of your home for easy control.
Battery: 3V CR2450 (included)
Wireless protocol: Zigbee (IEEE 802.15.4)
Working environment: -10°C~40°C
Item Weight: 25g
Item Size: 43*43*16mm
Package Size: Approx. 5*5*2cm/1.97*1.97*0.79in
Package Weight: Approx. 30g/1.06oz
1 * SONOFF Zigbee Wireless Switch