Flycross Door Window Alarm When Opened for Home Kids Safety with Remote Door & Window Alarm  (130 dB)

130DB LOUD ENOUGH: The EverNary door alarm with 130DB loud.The magnetic sensor will alarm immediately when the two items are aparted more than 0.6 inches.（IT ONLY FITS ON FLAT DOOR AND FRAME.) 50FEET REMOTE RANGE, EASY TO MANAGE: One remote-controller can be paired with multiple magnetic sensors. You can use the remote to set disarm, alarm, choose alarm modes and emergency SOS within 50 feet, even if armed from the outside. LOW BATTERY REMINDER: The anti-theft window and door sensor can be used for one year on 2 AAA batteries(including); don't need to change the battery frequently. When the battery voltage is lower than 2.1v, a beep will sound. Don't worry about not working. MULTIPLE ALARM MODES , WIDE USE RANGE:This home security alarm with 4 alarm modes.It is perfect fit for home, dormitory, apartment, office, medicine cabinets, window, drawer, pool door, sliding door and refrigerator.It promptly reminds you and your family to enter and leave your home in real time. EASY TO INSTALL: This burglar alarm is easy to install by adhesive, tape it on a window or door then all is done! (NOTICE: MAKE SURE THE GAP BETWEEN THE ALARM AND MAGNET PART WITHIN 0.59 INCHES / 1.5 CM.)