Function ------ Range--------Accuracy DC voltage: 600V [±1.0%] AC voltage: 450V [±1.2%] AC current: 20-400A [±2.0%] Resistance: 200KΩ [±1.0%] --------------------------------------------- ----------- special function · 3 1/2 LCD display, maximum reading of 1999 low battery indicator · overload · easier reading data holding · buzzer off and diode test function - -------------------------------------------------- ----- Product Features Battery: 2 Section 7 Battery (AAA) Jaw Diameter: Φ21.3mm Body Size: 150×63×28mm