Price: $9.99
4 Pack Window Door Alarm, Door Sensor Alarm for Kids Safety, Alarm System for Home Security with No Batteries for Pool, Garage, Apartment, Dorm, RV and Office
Easy To Install – Wipe the flat surface, peel off sticker, mount the alarm on door and magnetic stripe on door frame. Done!!
Smart Design – The alarm and magnetic stripe are separated more than 0.39inch(10mm), it keeps going off until you close door(make them connection) or turn it off(switch to the button “OFF”).
Power Save – Battery for power supply can be used for more than one year(3 * LR44 batteries Not included per alarm )
Package Include – 4 x Door Window Alarm(without Batteries)
Price: $9.99