Wireless Home Security Door and Window Burglar Alarm with 90dB Loud Siren 6 Pack for Homes, Cars, Sheds, Caravans, Motorhomes

EASY INSTALLATION: No wiring required, plus sensor brackets on each side of the alarm for easier setup and 4 LR44 batteries included.

MAGNETIC SENSOR: The magnetic sensor switch detects entry protecting your home or office.

LOUD 90DB ALARM: When someone opens the door or window illegally (the relative position of the primary and secondary parts changes), the alarm can emit a loud alarm, warning the intruder to leave and reminding the owner.

ADAPTATION & STABILITY: Super environmental suitability and stability and dustproof and insectproof.