Visionis VIS-1200BZ-LED Indoor 1200lbs Electric Maglock with Time Buzzer and LED Sensor Size: 282Lx71.8Wx38.8H (mm) - 11.10Lx2.83Wx1.53H (in.), Finishes for Shell: Anodized aluminum, Finishes for Magnetic: Zinc Armature plate: 185Lx60Wx13H (mm) - 7.28Lx2.36Wx0.51H (in.), Finishes for Armature: Zinc, Weight: 4.5kg (9.92 pounds) Holding Force: 500kg (1200lbs), Voltage: 12 or 24VDC, Current Draw: 12V/420mA or 24V/210mA, Signal Output: Dry Contact, Max Rating of Contact Current 3A LED: Red indicates the door is unlock, Green indicates the door is lock, Buzzer: 5/10/20/30sec, Temp.: +20C (+68F), Operating Temp.: -10+55C (14-131F), Suitable Humidity: 0~95% (non-condensing) Size: 282Lx71.8Wx38.8H (mm)  11.10Lx2.83Wx1.53H (in.) Armature plate: 185Lx60Wx13H (mm)  7.28Lx2.36Wx0.51H (in.) Holding Force: 500kg (1200lbs) Voltage: 12 or 24VDC Current Draw: 12V/420mA or 24V/210mA Signal Output: Dry Contact, Max Rating of Contact Current 3A LED: Red indicates the door is unlock, Green indicates the door is lock Buzzer: 5/10/20/30sec Suitable for: Wooden door, Glass door, Metal door, Fireproof door Surface Temp.: +20C (+68F) Operating Temp.: -10+55C (14-131F) Suitable Humidity: 0~95% (non-condensing) Finishes for Shell: Anodized aluminum Finishes for Magnetic: Zinc Finishes for Armature: Zinc Weight: 4.5kg (9.92 pounds)