New and high quality
Easy to install
powered by 2 pieces AAA 1.5V batteries (battery not include)
Protect your home or office
Material: Plastic & Electronic Parts
Size: 95 * 32 *20mm
Net weight: about 35g
Place the cover in place.
Has a convenient On / Off switch, so you can set the alarm to Off when you do not want to use it.
4x Door Window Wireless Burglar Alarm + Magnetic Sensor