IDEAL® Clamp-Pro™ Clamp Meter, 40/400/600 A AC, 400/600 VAC/VDC Electrical Rating, 400 Ohm to 400 MOhm Resistance, 1-1/4 in Jaw, 4000 Count, LCD Display, 1.7% + 10 Digits, 3% + 10 Digits AC AC Current Accuracy, 1.2% + 8 Digits, 1.5% + 8 Digits AC, 0.5% + 2 Digits DC Voltage Accuracy, Safety Rating: CAT III 600 VAC, 1.5 VDC AAA Alkaline Battery Power Source, 32 to 122 deg F Operating, 8 in H x 2.6 in W x 1.5 in D Dimensions