3 Pack 130db Door Alarm with Delay When Left Open. Vibration Detect Sensor Window Break Sliding Siren for Home, Store Garage, Apartment Security. Keypad Burglar Entry Alert. Pool Alarm for Kids Safety

3 Pack Door Window Alarm. Cordless battery operated by LR44 x 3 pcs(included). It may be triggered at the same time as door/window is opened(When the alarm and magnetic sensor are separated more than 0.4”/10mm, the alarm will keep beeping) or vibration is detected, e.g window glasses break, shatter.
【130dB Loud Siren】Once triggered,it emits a very high-pitched, harsh sound, aiming to promptly deter potential intruder, thieves or pets. It will sound very piercing or uncomfortable in case you are extremely sensitive to this sort of sound. But please understand that this shrill sound is indeed very effective at attracting the attention.
【Simple Keypad Burglar Entry Alert】Friendly operation for Elderly or Children. Press ‘4’ to arm the alarm, Enter PIN CODE (default “1234”) to disarm. (You’ll be able to set your own personal PIN, please follow the manual for the right way to change the PIN CODE).
【Vibration detect function】If broken window happens, e.g window glasses break, shatter, vibration is detected, a beep sounds indicate that the alarm is triggered, then it is going to sound 130db loudly after 5s. The sound will last 30s if no PIN code enter to disarm.
Apply the double sided adhesive pad(included)to the back of the main alarm unit and magnetic contact. Locate the mounting position at the door or window. Please follow the manual guidance