A generous pack of 4 alarms, no wiring necessary, hassle-free and effortless installation, the main unit and its secondary detector can be easily mounted on a door frame or windowpane using the included double-sided adhesive foam tapes, which are also easy to remove and clean. Operating the alarm is simple and straightforward.
- Inexpensive yet convenient, effective magnetic sensor alarm for entry doors, sliding patio doors, backyard side gates, windows, safes, cabinets and so on
- No wiring necessary, fool-proof, effortless, peel-and-stick installation with the included double-sided adhesive foam tapes
- Tamper-proof design: disarm the alarm by moving the button to the "OFF" position; otherwise the alarm will sound continuously until the door or window is closed
- Battery powered by 2 AAA batteries , Easy Replacement when battery is over
- Ultra-compact magnetic window/door alarm with 95 dB siren alerts the occupant and scares away would-be intruder