Vibration sensor alarm with high-tone alarm: 130dB Ultra-long standby time powered by 2 AAA batteries (included) Low-power reminder: LED indicator flashes when battery voltage drops below 3V Remote notification capability: Receive alerts when doors or windows are opened, even when away from home Compatible with Tuya, Smart Life, Google Assistant, and Alexa Adhesive mounting for easy installation Usage instructions: 1. Remove the insulating sheet. 2. Switch the power to “ON”. 3. Press and hold the network button for 3 seconds until the LED flashes rapidly, entering setup mode. 4. Adjust vibration sensitivity: move switch upward for higher sensitivity, downward for lower sensitivity. Color: Black / White Material: Plastic Dimensions: 74 x 13 mm Package includes: 1 x vibration sensor alarm Note: Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.