130db loud alarm can effectively prevent intruder entering through your door/window and alert your neighbors of a possible break-in. Multiple Alarm Modes make it wider use. Burglar alarm; 30 seconds alarm; Doorbell Sound; Di-Di remind alarm (intermittently ringing). Perfect for home, business, office, apartment, dorm rooms,garage, and anything you wish to protect. It can be easily install on Door/Sliding Door/Sliding Window/Sash Window/Drawer/Refrigerator/Safe. NOTICE: MAKE SURE THE GAP BETWEEN THE ALARM AND MAGNET PART WITHIN 0.59 INCHES / 1.5 CM. Door alarm for Home Security It will alarm immediately whenever a door or window is opened.130bB loud warning alarm can keep you away from dangerous when you fall into sleep and scare the thief. Door/Window alarm for kids safety Don't worry about your children sneak out without your permission to pool or other dangerous places. Doorbell sound for business Choose Doorbell mode, alarm once time when door or window opening. Suitable for home, business, shop, store. Make sure don't miss one visitor or customer. DI DI DI Intermittent alert This alarm mode can reminder to close some important doors.It can be use to refrigerator, medicine chest, drawer,safe etc. Siren 30s when 2 items for alarm be separated Press Arm button on the remote.Choose Mode 1: Alarm 30s. Separat 2 items of alarm ( ≥0.6inches) .Trigger alarm immediately. Stop alarm after 30s or by Pressing Disarm button. The home security kit with Multiple Alarm Modes,You will found it really helpful by below status: - Customer visit. - Children open the pool door, window, closet, and refrigerator, leaving his/her room accidentally. All these kinds of acts bringing harm to your baby. - Pets coming or leaving suddenly - The thief breaking into your house or garage - Any thieves try to open your Jewelry cabinet, phone cabinet in your store. Low battery reminder: When the battery is low, the door alarm will sound an alert. Remind you to replace the battery in time. Package: Magnetic sensor *3 AAA battery (included)*6 Remote control*2 CR2032 battery (included)*2 Double Sided Tapex6 User manualx1