Southwire® MaintenancePRO™ AC/DC Clamp Meter, Auto-Ranging, 1000 VAC/VDC, 1000 A Electrical Rating, 60 MOhm Resistance, 10 MHz Frequency, 1-1/2 in Jaw, 6000 Count, Backlit LCD Display, +/-3% + 3 Digits AC Current Accuracy, +/-3% + 8 Digits/1.5% + 3 Digits Voltage Accuracy, Safety Rating: CAT IV 600 VAC, CAT lll 1000 VAC, 9 VDC Battery Power Source, 41 to 104 deg F Operating, 10.3 in H x 3.3 in W x 1.7 in D Dimensions