[Intelligent linkage] The vibration sensor can be used in conjunction with various Tuya products to achieve intelligent linkage throughout (if you have other Tuya smart products, such as Tuya light bulbs, set in Add Automation that when the vibration sensor detects the linkage, the Tuya light bulb will turn on .) [Real-time Remote Monitoring]No matter when and where, once the vibration sensor detects vibration or movement, you will receive a push notification from your smartphone in 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. [Intelligent linkage alarms with more sensors] When motion, vibration, or fall is detected, the lights will automatically light up to achieve intelligent automation; it can even intelligently link your smart curtain switches to open the curtains when vibration is detected. [Vibration Reminder and Low Battery Alarm] Enable vibration reminder and low battery reminder functions in Tuya Smart App to truly monitor the safety of your house. Powered by 2 batteries, long standby time and low power consumption. [Sensitivity Settings] You can set the sensitivity in the App according to your own needs, with a wide range, from low to high; supports historical records, monitors your house conditions more accurately, and updates every half hour. Product : Name: ZigBee Smart Vibration Sensor (Without tuya zigbee hub) 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 battery*2 (battery not included) Working temperature: -10~50 Working humidity: 95% (no condensation) Net weight: 19g 1. First you need to connect to e ZIGBEE 3.0 gateway to remotely control via 3G/4G/WiFi on your mobile phone Material: ABS colour: White Note: without battery Package Contents: 1 x Smart 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.