1. Wireless scene switch: By upgrading the switch devices in your home , you can gradually create a smarter and more convenient home environment 2. Create smart scenes in the Tuya Smart APP: Turn your daily work into a seamless experience 3. Create multiple smart scene links: Just one click, you can control multiple devices at the same time and enjoy a truly connected life experience 4. Compact size, wide application: put it anywhere, or just with adhesive, no complicated installation required<br><br>Button: 1 button Operating voltage: 3V Wireless protocol: Zigbee 3.0 Indicator: Red indicator Standby current: ≤10uA Battery type: CR2032 Standby time: 12 months Operating temperature: -10℃-55℃ Operating humidity: 0%-99%RH Note: A ZigBee gateway is required, please purchase separately. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. (Delivered with 1 CR2032 battery) Color: White Material: ABS<br><br>Package Contents: 1 * Smart Key Switch<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.