magnetic lock with built-in LED Magnetic Lock Size: 250Lx48.5Wx25H(mm)Armature plate: ... the door is unlock,Green indicates the door is lockSuitable for: Wooden door , Glass door ,Metal door , Fireproof doorSurface Temp: ... 131F)Suitable Humidity: 0~90%(non-condensing)Finishes for Shell: Anodized aluminumFinishes for Magnetic: ZincFinishes for Armature: Zinc EM-280---Magnetic lock with built-in LED