Description: wireless scene switch 1.Tap-to-run to get another easier control for all tuya smart devices. for example smart modes: create home mode/away mode/sleep mode in App. setup: single click for home mode. souble click for away mode. for example smart switch: remote control for control tuya smart curtain switch. setup: single click for open curtain. souble click for close curtain. Pair with Tuya ZigBee gateway Tuya ZigBee gateway is a must for this Tuya ZigBee smart button scene switch. Note: can not be used alone without other Tuya smart device. Specifications: Power supply: Battery CR2032 3V DC (the battery is not included in the package) Communication: Zigbee 3.0 Control distance: 25m open area Dimensions: 50mmx50mm Operating temperature:-10°C-45°C Working Humidity: <90% RH Life of battery: 1 years (General use)