-It need two AAA alkaline batteries ( not included )
-They may be able to work for over 2 years with low-consumption design
-Not only an alarm, but additionally a doorbell
-When it need replace batteries, the LED light will flash once each and every second
-Package Size: 4.2*2.5*1.5inch
-Package Weight: 51g
Operation to work:
-After instaliing batteries, press any mode button once to power on and enter the corresponding mode.
-Press the off/disarm button for 2 seconds to power off.
-1* Magnet box
-1* User Manual
Door and window alarm helps deter intruder/thieves effectively by 108dB loud alarm, also will also be door open chime lend a hand notify you if children/pet or others are coming/ going
Magnetically triggered door alarm sensor suitable for Doors, Windows, Sliding Door/ Window, Freezers and Refrigerators
General Alarm, Constant Alarm, Time Delay(Closing-door Alert ), Doorbell 4 in 1 Multi-Function, you’ll be able to set the suitable mode consistent with your need
Easy to press off/on button to power off/on when you do not wanna to hear any sounds of this door alarm or when you wish to have it
Simple peel and stick installation & Low consumption design, They may be able to work for over 2 years