Features of Magnetic Lock: NC mode - (locked while supplied with power), fail safe modeDual Voltage 12VDC or 24 VDC (Optional)Suitable for: Wooden door, glass door, metal door, fireproof door, etcSafety function: Built-in voltage spike suppressorCover Finish: Anodized aluminumLock Finish: ZincArmature Plate Finish: ZincAnti-residual magnesium designedHolding force about 600lbs (280kg)Surface Temp: < 122℉ (50℃)Operating Temp: 14℉~131℉ (-10℃~55℃)Humidity: 0~90% (non-condensing)Increase the holding force, dual insulative housing Warm Tip: Armature plate installed too tight will lead to result the lock weak force, recommend loosen the armature plate screws a little in this case. Electirc Magnetic Lock: Operating Mode: NC (locked while supplied with power), fail safe modeHolding Force: 600lbs (280kg)Voltage: 12VDC or 24VDCCurrent: 12V/520mA or 24V/260mASignal Output: Lock signal (NO/NC/COM)LED: Red shows locked; Green shows unlockedArmature Plate Dimensions (LxWxH): 7-3/32"x1-17/32"x33/64" (180x38.8x13.2mm)Lock Body Dimensions (LxWxH): 9-27/32"x1-59/64"x1-7/64" (250x49x28mm) Z & L Bracket: Material: High strength aluminum, sandblast finishedOpening Mode: 90 degree doorSuitable for Door: Wooden door and metal doorFinished for Shell: Anodized aluminum L Bracket for outward opening door: When the door frame thickness is less than 1-21/32" (42mm), L bracket is needed. ZL Bracket for inward opening door: For inward opening door, ZL bracket is needed. Package: 1 x Electric Magnetic Lock1 x Bracket1 x English User Manual1 x Installation Kit