Fixed anode voltage: 60kV tube current: 1.5mA X-ray tube Canon beam angle 21 degrees microprocessor control. Exposure time: 0.10 to 2.5 seconds Focal spot 0.3 * 0.3mm Oil-cooled battery DC16.8V 2300 mAh Lithium polymer size (mm) 165 * 138 * 138 Weight 1.8 kg