Klein Tools CL600 Digital Clamp Meter, True RMS, AC Auto-Ranging, 600 AmpsClamp Meter with automatically ranging true mean squared (TRMS) technology for increased accuracy Amp Clamp measures AC current Test leads measure AC DC voltage, resistance, continuity and tests diodes CAT IV 600V, CAT III 1000V, Class 2, Double insulation safety rating Built to withstand a 6. 6 foot (2 m) drop Low battery indicator and easily accessible battery compartment Includes carrying pouch, test leads and batteries Operating altitude to 6,562