General description The Tuya Smart WiFi Alarm Door and Window Vibration Sensor is designed to provide security protection alerts for your home. It features a powerful 130dB alarm and operates on 2 AAA batteries, which are included. The sensor offers remote notifications, allowing you to monitor whether doors and windows are opened while you are away. Technical specifications Alarm volume: 130dB Power source: 2 x AAA batteries (included) Low power reminder: LED indicator flashes when battery voltage is lower than 3V Size: 74 x 13 mm Material: Plastic Measurement allowed error: +/- 1-3 cm Installation Pull out the insulation sheet. Turn the power switch to "on". Press and hold the network button for 3 seconds until the LED light flashes quickly, indicating it is in distribution state. Adjust vibration sensitivity: switch upward to increase sensitivity, switch downward to decrease sensitivity. Usage This sensor is compatible with Tuya, Smart Life, and Google Assistant, making it easy to