Stand-by in dormancy state to save the power. Freely exchange for the watermark and ultraviolet detection. With alarm indicating lamp and light when magnetic detecting. With magnifying mirror in a 55?4 mm wide acreage to detect the small printed veins. Adopts two advanced high effective UV tubes to better its intension. Innovated electronic circuitry design to make life- span longer. Power supply: AC220V 50Hz/AC110V 60Hz Power consumption: ＜18 W Stand-by power consumption: ＜2 W Outer size: 270?140?145mm/ one unit N.W. : 1.5 kg