Smart Vibration Sensor: The Smart Vibration Sensor provides enhanced home security by detecting any vibration or movement around you. Tilt Detection Feature: This sensor is equipped with a tilt detection feature that allows you to monitor any tilt or movement of an object. Once the sensor detects any tilt, it will immediately trigger an alarm notification on your smartphone through the Tuya Smart Life app, providing you with real-time monitoring and peace of mind. Smart Linkage: Our Smart Vibration Sensor can be seamlessly integrated with other Tuya products to achieve smart linkage for your entire house. Real-time Remote Monitoring: Once the sensor detects any vibration or movement, you will receive an instant push notification directly on your smartphone through the Tuya Smart Life app. Stay connected and understand the security status of your home at all times. Sensitivity Settings: With multiple sensitivity options from low to high, you can fine-tune the sensor's responsiveness to your preferences. This allows for more accurate monitoring of your home and ensures that you are always aware of any potential threats or disturbances. Operating voltage: DC 3V Wireless connection: ZigBee 3.0 Standby current: less than or equal to 15uA Standby time: less than or equal to 15 months Battery: CR2450 (including battery) Operating temperature: -10C-50C Operating humidity: less than or equal to 95 percent Colour:White Material:plastics Size:4 x 4 x 1.3cm Package Contents: 2 x Smart vibration sensor 2 x Chinese and English manual 2 x Card pin 2 x Round double-sided tape 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.