IDEAL, SplitJaw Tester, Split-Jaw, Automatic, Resistance: 0 To 2000 OHM At 1 PCT Accuracy, Display: 6000 Digit Large Scale LCD Readout, Battery: 9 V ALKALINE PP3 Battery Of 250 HR, Voltage Rating: 1.3 to 750VAC, 2.1 to 1000VDC, Accuracy: Plus Or Minus (PCCT Reading + Number Of Digits) At 23 DEG C Plus Or Minus 5 DEG C Less Than 80 PCT RH, Temperature Rating 0 DEGC To 30 DEGC (Less Than Or Equal To 80 PCT RH), 30 DEGC To 40 DEGC (Less Than Or Equal To 75 PCT RH), 40 DEGC To 50 DEGC (Less Than Or Equal To 45 PCT RH) Operating Temperature, -20 To +60 DEGC, 0 To 80 PCT RH (Batteries Not Fitted) Storage Temperature