Multifunction - Door window alarm deterring thieves effectively by 110dB loud alarm, also prevent children /pets going out the house without notice.
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 Wireless Door Window Alarm(without Batteries)