Specifications: Material: Aluminum Alloy Lock size: 48x27x250mm Plate size: 38x11x180mm Voltage: DC 12V Pull force: 200KG Working mode: power-on to lock Working temperature: -10 to 55 Celsius degree (14 to 131 Fahrenheit degree) Humidity: 0 to 95% Features: Good quality and durable to use.Corrosion resistant. Aluminum shell adopts high strength material, with hard anodised processing. Anodized aluminum, lock body and suction plate selected chemical electroplating antirust treatment Use magnetic power to lock the door, 180kgs (350lbs) holding force.Built-in reverse current protection device (MOV). Can be opened by push button, remote controller, etc. Fit for wooden door, metal door, glass door, fireproof door, etc. Package Included: 1 x Electronic magnetic lock 1 x Armature plate 1 x Bag of installation kit