high quality LCD walk through metal detector gate

high quality LCD walk through metal detector gate Multizones Detection:24 zones shows precise target locations on the left, center and right side of the body from head to toe. DSP and Microprocessor Controlled Self calibration once power on One-key restoration of factory setting Optional built in back-up battery Technical parameters: Working power 30W Voltage AC:110V~220V Working temperature -20℃-55℃ External Dimension 2230*830*600mm Passage Dimension 2000*700*600mm Doorframe