main feature: The vibration sensor can be used in conjunction with Tuya products to achieve intelligent linkage throughout (if you have other Tuya smart products, such as Tuya light bulbs, set the linkage Tuya light bulb to turn on when the vibration sensor detects it in Add Automation.) No matter when and where, once the vibration sensor detects vibration or movement, you will receive a push notification from your smartphone in the Tuya Smart Life App as real-time monitoring. Keep your home safe at all times. When a vibration is detected, the sensor flashes a red indicator light. Enable vibration reminder and low battery reminder functions in the Tuya Smart App to truly monitor the of your home. Powered by 2 batteries, long standby time and low power consumption. You can set the sensitivity in the App according to your own needs, with a wide range from low to high; it supports historical records to more accurately monitor the condition of your house, and is updated every half hour. When motion, vibration, or drop is detected, the lights will automatically light up to achieve intelligent automation; it can even intelligently link your smart curtain switch to open the curtains when vibration is detected. Product specifications: Working voltage: DC 3V Standby current: 10uA Alarm current: 20mA Communication : ZigBee Transmission distance: 10-30 meters (no obstacles indoors) LED indicator light: Yes Installation : tape or screws Battery: 1.5V AAA dry batteryx2 (not included in delivery) Working temperature: -10~50 Working humidity: 95% (no condensation) Update frequency: half an hour First you need to connect to the ZIGBEE 3.0 gateway to remotely control via 3G/4G/WiFi on your mobile phone Material: abs colour: White Package Contents: 1 x Vibration sensor 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.