Energy-saving circuit. Batteries of the infrared sensor can work for around one year and the enclosed batteries for remote and magnet sensor can work for around two years.
Turning on /off the alarm function with two portable remote controls.
Name of every monitored areas can be written on the main unit accordingly.
The main unit will alarm and indicate the intruded area .
Magnet sensor can alarm loudly when window / door with the magnet sensor is opened.