Visionis FPC-5191 300 lbs Indoor Electromagnetic Lock with 300 lbs L and Z Bracket for Inswinging Door (1) VIS-ML300: 300lb Indoor Electric magnetic lock (1) VIS-ZL300: l and z bracket for 300lb electromagnetic lock These products DO NOT include a power supply Voltage Input: 12 VDC / 24 VDC Current Draw: 12V / 300mA ; 24V / 150mA (5%) Holding Force: Up to 300 lbs (136 kg) Anti-Rust Surface Treatment: Blue Zinc Plating Operating Temperature: 0~55 C ( 32~131 F) Operating Humidity: 0~95% ( non condensing) Weight ( Magnet): 0.6 kg (1%) Dimensions: Magnet  (L)170x(W)35x(T)21 mm Armature  (L)130x(W)33x(T)11 mm Green/Red LED Indication for EM Lock Status