Clamp On Earth Resistance Tester, Bluetooth Compatible Yes, Calibration Certificate Available Separately, Dustproof Yes, Jaw Capacity 1.5 in (39mm), Leakage Current Range 0.5 mA to 35 A, Number of Records Stored 2, 000, Resistance Accuracy +/- 1.5 Percent +/- 0.05 ohm, Communication Protocol Bluetooth, Includes Batteries, Calibration Standard, Case, Cert. This item has been restricted from sale in the following state (s): []