TRMS current clamp: This clamp meter can accurately measure AC current, AC/DC voltage, frequency or duty cycle, resistance, capacitance, diode, continuity test and temperature. Root Mean Square (RMS) can accurately measure nonlinear loads. Easy to use in labs, homes and factories. LowZ and LPF: A low input impedance helps prevent false readings caused by phantom voltage. The low pass filter (LPF) is used to accurately measure the frequency converter signal when measuring motors and transformers. To measure the current, the instrument must be fixed on a wire and not on the whole power cord. NCV fault detection function: Non-contact voltage detection can effectively check electrical state by measuring EM field strength without touching any wires; the NCV button is located on the right. Just put your thumb on it and press it. Multi-function: Dual-color backlit LCD display - when voltage 80V, current 3A, backlit LCD display turns red to remind you of high voltage / LED flashlight / liquid and setting ports (including Type-K thermocouple / low battery Indicates / automatically turns off after 15 minutes of inactivity. Safety: Safety standard IEC 61010-1, CAT III 600V. Double insulation. 7/24 customer service. Product Description To measure AC/DC voltage Features: Press the key FUNC. To change AC or DC voltage measurement. If voltage is 80V, orange display lights up. Note: Voltage value must be measured using test leads, the clamp cannot be used directly. Jaw design The jaw is marked with the maximum voltage and current measured value. Suitable for one-handed use. Weight and height Size: 19 x 7.1 x 3.3 cm Small and light, easy to carry when working AC current measurement To measure current, you only need to clamp the live wire rather than the power cord together. FUNC button. Press the FUNC. to switch the respective secondary function between the different measurements, for example between AC and DC. Auto power off No operation in 15 minutes, the clamp meter beeps 3 times. Without further operation, it will beep again and power off automatically. Multi-function Precisely measure resistance, capacitance, diode, continuity. <p >Easy to use in lab plants and homes."