2-piece door/window alarm – 130 dB siren with vibration sensor, wireless anti-intrusion system

No battery included. 【Security System for Your Home】The 130 dB siren alarm can not only give burglars a huge shock, but also wake you up from your sleep to prevent a terrible accident. A door and window alarm with wide applications, a break-in warning, ideal for your home, office, garage, dorm room, shop, warehouse, shed, hotel security, RV, drawers, cabinets, safes, home security doors, etc. 【Keep Your Children Safe】This door and window alarm with a vibration sensor is powerful enough to detect entry, letting you know when your children open doors or windows to prevent children and babies from going outside, whether you are inside or outside the house. Especially if you have a pool at home, installing a door alarm is essential. 【Ultra-Thin and Lightweight Alarm Detectors with Vibration Sensor Technology】This door and window alarm features a unique ultra-thin design. Simply turn the switch to "on" when needed; the LED will flash for 5 seconds. When the sensor detects vibration, the alarm activates and emits a 130dB alarm. Advanced vibration sensor technology ensures the alarm detects even the slightest movement, providing reliable security for your home or office. 【Self-Adhesive & Easy to Install Door and Window Opening Detector】This door and window opening detector is easy to install with double-sided adhesive tape. No wiring required! No screws needed! You can install this alarm on any window, door, drawer, or other flat surface. Note: Please clean the surface before installation to ensure it is dry and tidy.