The vibration sensor can be used in conjunction with a variety of Tuya products to realize whole-house intelligent linking. No matter when or where you are, as soon as the vibration sensor detects vibration or motion, you will receive a push notification from your smartphone in the Tuya SmartLife APP. Enable the vibration alert and low battery alert function in the Tuya APP to pay close attention to your house safety in real time. Features: Intelligent Linkage: The vibration sensor can be used in conjunction with a variety of Tuya products to realize whole-house intelligent linking (If you have other Tuya products, such as Tuya light bulbs, set the vibration sensor to link Tuya light bulbs to turn on when it is detected in Add Automation.) Real-time Remotely Control: No matter when or where you are, as soon as the vibration sensor detects vibration or motion, you will receive a push notification from your smartphone in the Tuya SmartLife APP. When vibration is detected, the sensor will flash a red indicator light. Vibration Alert and Low Battery Alert: Enable the vibration alert and low battery alert function in the Tuya APP to pay close attention to your house safety in real time. Powered by 2pcs batteries, with ultra-long standby time, and low power consumption. Sensitivity Settings: You can set the sensitivity in the APP according to your needs, with a widerange from low to high; support history logging to detect your house condition more accurately, updated once every half an hour. Intelligent Linkage Alerts for More Sensors: When motion, vibration, or fall is detected, the light automatically turns on for intelligent automation; it can even intelligently interface with your intelligent curtain switch to open curtains when vibration is detected. Attention: First you need to connect the ZIGBEE 3.0 gateways in order to control it remotely via 3G/4G/WiFi on your cellphone. Specifications: Name: Drop Sensor Material: plastics Battery: 2 * 1.5V AAA battery (not included) Connection way: ZigBee Wireless type: 2.4GHz IEEE 802.11b/g/n Operating voltage: 3VDC Standby current: ≤10uA Alarm current: ≤20mA Communication mode: ZigBee Transmission distance: 10-30 meters (no obstruction indoor) LED indicator: Yes Installation: tape or screws installation Operating temperature: -10 to 50 Operating humidity: ≤95% (no condensation) Update frequency: half an hour Item size: 25 * 70 * 20mm / 0.98 * 2.76 * 0.79in Item weight: 19g / 0.67ounce Package size: 55 * 86 * 25mm / 2.17 * 3.39 * 0.98in Package weight: 26g / 0.92ounce Packing List: 1 * Drop Sensor