All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
Delay Function: Wire-less freezer alarm goes off if the freezer door stays open for 3/15/30/60 seconds, you can easily to set the delay time as your need. It will only alert you when freezer door has been left open for 3s/15s/30s/60s, it will not annoying you while you want the door open
4 Modes: 1.General Alarm(alarm sounds when open door/ stop when door closed); 2.Constant Alarm (constant alarm even door closed); 3.Time Delay (Closing-door Alert); 4. Doorbell function (sounds DingDong once door/window opens)
108dB Loud Alarm: Door and window alarm helps deter intruder/thieves effectively by 108dB loud alarm.Protect your family and property.
Easy to install: Simple peel and stick installation, No need any wiring. This window door alarm kit with low consumption, power by 2*AAA Battery (Batteries Not Included),battery can last 2 years.
Widely Use: Magnetically triggered door alarm sensor protecting house by door window entry and suitable for safe box, cabinet, Freezers, Refrigerators, pool sliding door, store, office, apartment, Hotel etc.