[Dimension] - Cable Length: 30cm/11.8'; Total Size: 48.7mm x 19.5mm x 10 mm/1.92 x 0.77 x 0.39 inch (L*W*H)
[Material] - The magnetic switch alarm is with durable zinc alloy housing for better rust resistance
Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separates, the circuit is not conductive ( light off )
[Applications] - The Rolling Door Contact is designed for use with window and door alarm systems, such as garage, industrial warehouse and shops, etc.
