Features Operating Status: 12VDC / 0.53A work: power lock Installation: Embedded Temperature range: -40 ℃ ~ 50 ℃ iron Dimensions: 184mm × 36mm × 11mm Dimensions: 238mm × 47mm × 25mm Weight: 1780g applicable : Suitable for building intercom, access control systems supporting the use of suitable door type: wooden doors, metal doors, fire doors Product features: 1, easy installation, low noise, long life, strong suction, no residual magnetism, with Fault Protection 2, special wire, resistance to strong acid and organic solvents, anti-aging 3 for inward 90 ° door, insulation resistance testing, DC500V (1 minute without breakdown) no light