With its simple peel and stick installation, ultra-thin design and loud alarm, the Window/Door Alarm kit is a low cost, effective solution to home security. Place the included magnet on the outside frame of any window or door you wish to protect. When opened by an intruder, the magnetic circuit is broken and a loud alarm will sound.

• Alarm triggered after entry opening
• Peel and stick installation
• Loud 100 dB alarm
• Protect your home, apartment or dorm room
• Requires AG13(LR44) alkaline batteries - 12 pcs (included), (3 pcs for each alarm devices)