***** **********Best Quality Guranteed.
*****[Specification] - Current: 0.5A;
Voltage: 100V;
Power Rating: 10W;
MAX Action Distance: 25mm*****[Dimension] -
Cable Length: 23cm/ 9.1";
Total Size: 48.7 mm x 19.5 mm 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*****[N. O. /N. C. ] - N. C.
means Normally Closed: When the magnet together, the circuit is conductive ( light on ); when the magnet separates, the circuit is not conductive ( light off ). N. O.
means Normally Open: when the magnet separates, the circuit is conductive ( light on ); When the magnet together, the circuit is not conductive ( light off ). When make order, pls check carefully! *****[Applications] - The Rolling Door Contact is designed for use with window and door alarm systems, such as garage, industrial warehouse and shops, etc.