[Specification] - Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 30mm[Dimension] - Cable Length: 28.5cm/11.2"; Total Size: 47.5 x 24 x 14.4mm / 1.87 x 0.94 x 0.57 inch (L*W*H)[Material] - The magnetic switch alarm is with durable zinc alloy housing for better rust resistance[Normally Closed] - 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 ).[Applications] - The Rolling Door Contact is designed for use with window and door alarm systems, such as garage, industrial warehouse and shops, etc.
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