Greenlee® - SpecificationsDisplay: 1.) OLED; Large, Bright 2.) 3-3/4--digit, 4000 countsFrequency Rating: (4); 50, 60, 128, 2033HzGround Resistance Measurement: .01 to 1500 ohmsIncludes: Calibration loopJaw Opening: 1.4Measurement Category: Cat IV: 600VOperation Type: Hand HeldReplacement Part: Calibration LoopResistance Measurement: .1 to 1500 ohmsStandard: CE, ETLAccessories Included: Molded carrying case, 9V Alkaline Battery and calibration verification loopWidest operating temperature range (-4 to 131°F) in the industry SKU: GRNL.CMGRT100 Brand: GREENLEE Country of Manufacture: France Supplier Part Number: GRNLCMGRT100