Features: 55*32mm(1.26 ×2.17" ) jaw size for larger ground rods Autoranging ground resistance measurements from 0.01Ohm to 1000Ohm with 0.01Ohm resolution AC Leakage current range of 10mA to 30.00A with 50µA resolution Configurable alarm value for resistance and current to support your measurement Ergonomic mold, full rubber coating for slip proof Simplifies ground resistance measurements on multiple point ground systems Verification resistor confirm accuracy of meter Datalogging with 99 data points Complete with resistance test loop,durable metal carry case and battery Includes -Digital Clamp-on Resistance Tester Model DY1200 -1.5v battery×4 -Resistance Test Loop -User manuals -Aluminum carrying case -Belt holster