IDEAL® TightSight® Clamp Meter, Series: 770, 0 to 750 VAC, 0 to 999 VDC, 0 to 999.9 A AC/DC Electrical Rating, 0 to 999.9/1000 to 9999 Ohm Resistance, 20 to 400 Hz Frequency, 2 in Jaw, Backlit LCD Display, 2% 5 Digits, 6% 5 Digits AC, 2% 5 Digits DC AC Current Accuracy, 1% 5 Digits, 1.5% 5 Digits, 6% 5 Digits AC, 1% 5 Digits, 1.5% 5 Digits, 2% 5 Digits DC Voltage Accuracy, Safety Rating: CAT IV 600 VAC, CAT III 1000 VAC, 61-763, 61-765 100 hr Alkaline, 9 VDC NEDA 1604, JIS 006P, IEC 6F22 Battery Power Source, 32 to 122 deg F Operating, 4.1 in W x 1.9 in D x 10.6 in H Dimensions,