The EXTECH 380580 is a battery-operated milliohmmeter that offers high accuracy and resolution. It is portable and allows battery operation on the go. The device supports Kelvin measurements on four terminals and offers over-temperature and over-voltage protection. It is CE certified. It comes with 8 AA batteries and 2 sets of test leads (4-wire with 4 alligator clips and 4-wire with 2 Kelvin alligator clips).