Overview Operation Mode : automatic Current Rating : 0.5 Amps Operating Voltage : 100 Volts Contact Type : Normally Closed Connector Type : Wire Leads Brand : Gebildet Terminal : Through Hole Circuit Type : 1-way Mounting Type : Flush Mount Color : Silver-E1280T Switch Type Reed Switch : Material Zinc Alloy : Switch Type Reed Switch : Material Zinc Alloy About this item [Specification] - Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 15mm [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.