Model : Roller Shutter Magnetic Contact

Features :
> Using magnetic modulation and no power supply are required. It's a stable sensor which uneasy to be interfered around.
> This magnetic shutter sensor is superior on the market as the design are unique and convenient, which can adjust the height 
    oup and down for 73mm and the fixed frame can move vertically in front and behind with 90°degree

Installation note :
> Using low capacity resistance loading it could do direct action with connecting.
> Sensor should keep safe distance from riser plate of the iron curled door, don't be incurred to collide or falling down result in         
    broken.
> The shutter surface should confront magnetic sheet.