Micro Ohmmeter, Alert Type Digital Display, Communication Protocol RS-232, IP Rating IP54, IP65, Insulation Resistance Resolution 0.1 microohm to 100 milliohm, Maximum Insulation Resistance 2 kiloohm, Minimum Insulation Resistance 1.999 microohm, Number of Digits 4, Power Source Battery, Test Current 10A, Display Size 4.5 in, Includes (2) DH4-C Duplex Handspikes, Battery Charger, Cigar Lighter Adapter, Warranty Card. This item has been restricted from sale in the following state (s): []