Sperry True RMS Clamp Meter, Advanced Temperature Measurements & Peak Hold, Gives True RMS Readings & Measures Current Without Having To Contact Live Conductors, Data Hold Switch To Maintain The Reading On The 5999 Count Backlit Screen, Auto Power Off Functionality To Extend Battery Life, Built In Low Battery Indicator Will Ensure You Won't Get Incorrect Readings Due To Low Batteries, Audible Beeper Offers Easy Continuity Check, Buzzer Sounds At 100 OHMS Or Less, Compact, Lightweight, Yet Durable Unit Has A Crush Rating Of 250 LB, 10' Drop Rating, Tested According To Cetlus Standards, S CAT 3 600V Rated.