Equipped with all functions for places that require high robustness, reliability and accuracy.Direct Current (A):-Alternating Current (A):400DC Voltage (V):600AC Voltage (V):600Resistance (?):4kDetection Method: Mean Value Rectifier (MEAN)Maximum Measuring Conductor Diameter: 30mmW x D x H: 75 x 34 x 207mmPower Supply: AAA Dry Battery x 2 (accessory)