2 Packs Small Size 120dB Door Handle Alarm Siren Alarm for Home, Apartment and Travel (Red)

With its small size of only 4.2 x 3.5 x 1.5 cm (1.65 x 1.38 x 0.59 in), it is perfect for families and travel. Equipped with lanyard and silicone ring, you can easily hang it on a door or window, clip it to a door or link it to a window. installation is nothing more than hanging the unit to the door handle and turn on the alarm. Once triggered, the alarm will always sound 8S and a red indicator lights up. When a vibration of the door or window is detected, an alarm is triggered and a 120 dB buzzer warns you in time that the intruder may be frightened and escape from the house. This door handle alarm is perfect for home and travel and is suitable for door handles, bedroom doors, homes and apartments, hotel rooms and dormitories. Powered by 2 x CR2032 button batteries (included).