Fangrui Product Details Uni-t Ut208b 1000a 42mm Jaw Size Digital Clamp Meter Ac Dc Voltage Detector Ut208b: - Diode Test - Duty Cycle - True Rms - Continuity Test - Ncv Test Pen - Inrush Current - Maximumminimum Value - Automaticmanual Ranging - Relative Value - Flashlightbacklight - Gear Record - Low Impedance Input - Low Pass Filtering - Analog Bar - Automatic Shut-down Parameter: - Dc Current: 0.01a~1000a - Ac Current: 0.01a~1000a - Current Frequency: 40hz~400hz - Dc Voltage: 0.1mv~1000v - Ac Voltage: 0.001v~1000v - High Voltage Frequency: 40hz~400hz - Resistance Measurement: 0.1ohm~60mohm - Capacitance Measurement: 0.01nf-60mf - Temperature Measurement: -40~1000 Degrees Celsius - Low Voltage Frequency: 10hz~1mhz - Jaw Opening: 42mm - Duty Cycle: 0.~ - Machine Size: 272 X 81 X 43.5mm - Machine Weight: 447g - Power Supply Mode: 3 Aaa Batteries (batteries Are Not Included) Standard Configuration: Packing Box + Manual + Test Lead + Cloth Bag + Temperature Measuring Probe