Description: Auto ranges 550V protection in resistance and capacitance ranges Large LCD display, MAX display 4000 counts Sample rate: 3 times per second Data hold Polarity identification Low voltage indication low current measurement Auto power off Main measurements?AC/DC Voltage, Resistance?Capacitance,Diode and Continuity Testing, Frequency and duty cycle. Specification: Material: Plastic Size: Approx. 80x120x20mm / 3.15x4.72x0.79inch Frequency?1Hz to 10MHz Capacitance :10pF to 4000uF* AC volts: 0.1mV to 750V DC volts?0.1mV to 1000V Resistance ?0.1? to 60M? Duty cycle?1% to 99% Capacitance :4nF? ±5.0%+4?,40nF? ±2.5%+4??400nF/4.000uF/40.00uF/400.0uF/1000uF /4000uF? ±3.5%+4? DC volts?400mV/4V/40V( ±0.5%+4),400V/600V( ±0.8%+4) AC volts: 400mV( ±1.5%+4), 4V/40V/400V( ±1.2%+4),600V( ±1.5%+4)Resistance ?400?/4K/40K/400K/4M( ±0.8%+4),40M?( ±2.0%+4) Frequency?99.5/999.5/9.999k/99.99k/999.9k/9.999MHz ( ±0.08%+2) Duty cycle?0.1% to 99.9%( ±0.08%+2) Measurement mode: ?? mode Over range indication: OL Working environment: 0~40?, relative humidity