Visionis VS-VISML600LED Indoor 600lbs Electromagnetic Lock with LED Sensor (1) VIS-ML600LED: 600lb indoor Electric Lock with LED Sensor All hardware is included These products DO NOT include a power supply Voltage Input: 12 VDC / 24 VDC Current Draw: 12V / 500mA ; 24V / 250mA (5%) Holding Force: Up to 600 lbs (272 kg) Hall Effect Contact: SPDT rated 2A at 24 VDC Magnetic Contact Rating: 28 VDC, 0.5A, 10W Anti-Rust Surface Treatment: Blue Zinc Plating Operating Temperature: 0~55 C (32~131 F) Weight (Magnet): 1.1 kg (1%) Dimensions: Magnet  (L)250x(W)42x(T)25 mm Armature  (L)180x(W)38x(T)11 mm Green/Red LED Indication for EM Lock Status