Home Security Wired Rolling Door Contact Magnetic Reed Switch Alarm Sensor - NC Normally Closed for Garage, Warehouse & Office Doors - DIY Installation & Smart Home Integration

Product Description

Rolling Door Contact Magnetic Reed Switch Alarm NC Specification： Material：Zinc alloy for better rust resistanceProduct Sizes: 106*16*16mmCable Length: 25cm/9.8"Rated Power: 10W, Max Voltage: 100V, Max Current:0.5ATransmitting Distance: 30-50mmNC Type: NC means normally closed. If the magnet is closed to this switch, the signal is conductive, otherwise, if the magnet is far away from this switch, the signal is disconnected. Installation Instructions 1.The door and window magnet should be installed at the closed position of the door/window. 2.The magnet part is installed on the movable door and window. The switch part is installed on the fixed door and window frame. The switch part and the magnet part should be aligned as much as possible. 3.The door magnet should be away from the strong magnetic field interference source such as a transformer. Otherwise, the working characteristics of the door magnet will be changed and possible wrong actions. For Door and Window Security The Rolling Door Contact is designed for use with window and door alarm systems, such as garage, industrial warehouse and shops, etc. Easily installed on the doors and windows of your home, providing protection for your home security system.