Feature: Fully auto-ranging designed High resolution, up to 5 digit display, most finest resolution: 0.01pF, 0.001uH, 0.01R High stability and measurement range for L/ C/ R USB charging with rechargeable battery inside Large LCD display with backlight USB PC program, can take record and pass and fail component sorting function. Spec: Model M4070 LCR Meter Series LCR Testing Parameter Main Parameter: L / C / R Testing frequency C: 10 to 500Khz L: 10 to 360Khz Testing Method Auto select LC and RC Oscillation Calibration Power on auto calibrate with internal reference capacitor Testing voltage ~1.5Vrms Best Tolerance L: 1% +1 Digit C: 1% +1 Digit R: 0.5% +1 Digit LCD update or Testing time (* vary on component value) <3/s, (e.g. 100mF Capacitor <30s) Range Selection Automatically Zeroing Open / short circuit Terminal Mini-USB(Virtual C