door alarm with loud.The magnetic sensor will alarm you immediately when the two items are aparted more than .（IT ONLY FITS ON FLAT DOOR AND FRAME.).

LOW BATTERY REMINDER: The burglar alarm can be used for one year (stand by) without changing the battery frequently. When the battery ( 2 AAA batteries included) voltage is lower than 2.1v, a beep will sound. Remind you that the battery is too low.Don't worry about not working.

WITH 1 REMOTE & EASY TO MANAGE: You can use the remote to set the disarm, ring, alarm and panic options within, even if armed from the outside.

EFFECTIVE & SENSITIVE: Remind you and your family to enter and leave your home in real time. The indoor security alarm is the perfect protection option for houses, dormitories, apartments, offices, medicine cabinets, windows, drawers, pool doors, sliding doors and refrigerators.(Suitable for doors and windows the same height on both sides)