Feature●Blister Packaging Type●Loud 90 dB: Easy to install by simply attaching it to windows and doors. When the door is opened and closed, the buzzer will sound and notify you of abnormalities●Power supply: 3 LR44 button batteries included. *Please remove the insulation sheet before useDescription
Blister Packaging Type
Loud 90 dB: Easy to install by simply attaching it to windows and doors. When the door is opened and closed, the buzzer will sound and notify you of any abnormalities.
Power supply: 3 LR44 button batteries included. *Please remove the insulation sheet before use.