Brand Name:OBO Hands Size:25 * 4.7 * 2.5cm / 9.8 * 1.8 * 0.9in Installation:DIY Power:DC 12V Item Type:Magnetic Lock Model Number: mg280 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 Lock size:25 * 4.7 * 2.5cm / 9.8 * 1.8 * 0.9in Holding force:280kgs(600lbs) Voltage:DC 12V Current:380-430mA Humidity:0 to 95%