It can effectively distinguish interference signals and human movement signals to prevent false alarms.
It is small equipment, powerful functions. It can provide an approximately 120dB siren. This complete stand-alone motion sensor based alarm system will provide security for your family and property.
This indoor wireless alarm system is fully-expandable; you can link multiple remote controls or sensors. It comes with a simple installation and easy to use.
This alarm has two types of alert settings: Alarm ring/Door ring.
With two power supply mode: This door alarm sensor can be supplied power by 3 x AAA batteries (not included) or using USB cable.
Note: Please install it within 3 meters from the ground.
Sensing distance: within 3m
Size: 7.1 x 4.4 x 8.8 cm
Power: USB plug / 3 x AAA batteries (not included)
1 x Alarm
1 x Remote
1 x Cable
1 x Manual