Door Window Alarm with Remote Control 130dB loud alarm can effectively prevent intruder entering through your door, window and alert your neighbors of a possible break-in 4 Modes Alarm Multiple Alarm Modes make it wider use: Burglar alarm; 30 seconds alarm; Doorbell Sound; Di-Di remind alarm (intermittently ringing) Low battery reminder When the battery is low, the door alarm will sound an alert. Remind you to replace the battery in time Easy to Install This burglar alarm is easy to install by adhesive, tape it on a window or door then all is done! Widely use Perfect for home, business, office, apartment, dorm rooms, garage, and anything you wish to protect Door Window Alarm Tips 1. Make sure the gap between the alarm and magnet part within 1.5 cm 2. Press inner button 2s, light on, press any button on a remote with a beep sound means remote connected. Press inner button 8s, from light on to light off, the alarm and remote disconnect 3. Press the lock button, the alarm is on guard and is activated, when open the door, the alarm ring for 30s (even though close the door soon, it continue alarms). Close the door and wait for the sound to finish, the alarm senor is automatically on guard 4. In any situation, press the unlock button, the window alarm stop working and is not on guard Specifications Volume Range: 130dB Working Current: 56 mAh Installation Gap: