Safeline Metal Detector, Model SR-25-194, 8 in. W x 97 in. L flat plastic belt, 4-1/2 in. H x 8 in. H product entrance, 48 in. H x 104 in. L x 28 in. W. Inspected and Certified by metal detector technician. It detects 1 Fe, 1 NFe, 1 S/S. This unit has almost 4 in. of clearance over the belt. The head has a 10 in. wide x 4 in. wide opening. It is currently set up with a 2-1/2 in. clearance over the belt, but it is easily adjusted to almost 4 in. over the belt clearance. The plastic belt is 8 in. wide. The unit indicates that it is set up for 240 volt, 2 phase service, however, it currently does not have a motor for the belt drive. A motor will be included at time of sale. The unit could use a single phase 120 volt motor as the other units do. The following information is on the inside of the control box: Module Serial # 50515, Hardware version: V2C, Firmware version: 2.15, Standard module, Reject confirmation, Frequency: 300, STAG: 3, 4 wire, RS232 SS