description clamp meter, true rms ac measure ac/dc voltage fast with the greenlee? clamp meter, true rms ac. it includes an auto power off feature that helps reduce battery consumption for longer use. the 3-volt button battery on this greenlee 600a ac clamp meter helps ensure long-lasting use and easy battery replacement when it runs low. the unit measures ac/dc voltage, ac amperage, resistance and frequency for multipurpose use on the job site. as one of the best clamp meters currently available, every one of these measurements is easily visible thanks to its bright 4000 count lcd screen. the tool offers true rms as well, which helps improve accuracy. remove leads without losing your data immediately thanks to the data hold option on this greenlee digital clamp meter; this feature lets you and record information safely and easily for future reference. california proposition 65 warning. features quick, easy operation audible continuity and diode tests. frequency measurement. data hold to capture measurement. 4000 count lcd lifetime limited warranty. bright lcd screen for easy visibility of measurements true rms helps ensure accuracy data hold prevents immediate loss of data limited lifetime warranty limited lifetime warranty specifications ac voltage 600 acme tools brand name greenlee acme tools part number cm-450 application rough electrical clamp meter assembled weight (lbs) 0.8 battery quantity required 1 battery size cr2032 california proposition 65 warning required no case included no color / finish green plastic country of origin united states data hold yes dc polarity indicator no dc voltage 600 depth (in) 2 digital / analog digital digital display yes electronic yes globaltradeitemnumber (gtin) 00783310127260 internal supplier part # cm-450 internet product code (ipc) 206c6c2513b length (in) 10 manufacturer warranty lifetime limited warranty material plastic number of zones unlimited package contents clamp meter, 3 v standard button battery, test leads package depth 1.5 package height 6.6 package weight 1.5 package weight (lbs) 1.25 safety rating catiii tester type voltage upc 783310127260 weight (lbs) 0.05 weight (oz) 0.8 width (in) 3