Ultra-Slim Window Alarm With Vibration Sensor Loud 100DB

Product parameters: color: white Size: 70 * 70 * 9mm Battery compartment: 3 LR44 button batteries Volume: 100 dB Packing: double bubble shell sealed Net weight: about 70g / pcs Protect any window with the Ultra-Slim Window Alarm. Simply peel and stick the device to any window. Its sensor detects vibration and emits a 100 dB alarm to alert you of a potential break-in. The ultra thin design of this alarm makes it perfect for use with sliding windows. Includes warning sticker.