Feature: 1. Use magnetic power to lock the door, 280kgs (600lbs) holding force. 2. Built-in reverse current conservation device.Can be opened by push button, remote controller, etc. 3. Corrosion resistant. Good quality and durable to use. With LED light. 4. Alluminum shell adopts high strength material, with hard anodised processing. 5. Fit for wooden door, metal door, glass door, fireproof door, etc. Specification: Features: Use magnetic power to lock the door, 280kgs (600lbs) holding force. Built-in reverse current conservation device (MOV). Alluminum shell adopts high strength material, with hard anodised processing. Corrosion resistant. Good quality and durable to use. With LED light. Can be opened by push button, remote controller, etc. Fit for wooden door, metal door, glass door, fireproof door, etc. Specifications: Holding force: 280kgs Voltage: DC 12V Current: 380-430mA Working temperature: -10 to 55 Celsius degree (14 to 131 Fahrenheit degree) Humidity: 0 to 95% Working mode: power-on to lock Lock size: 25 * 4.7 * 2.5cm / 9.8 * 1.8 * 0.9in Lock weight: 1057g / 23.3lb Plate size: 18 * 3.9 * 1.1cm / 7 * 1.5 * 0.4in Plate weight: 580g / 1.2lb Package size: 27 * 6.3 * 6.3cm / 10.6 * 2.4 * 2.4in Package weight: 1786g / 3.9lb Packing list: 1 * Electronic magnetic lock 1 * Armature plate 1 * Bag of installation kit 1 * Pad Package List: 1 * Electronic magnetic lock 1 * Armature plate 1 * Bag of installation kit 1 * Pad