HOLDPEAK 90K Digital LCD Auto-ranging Multimeter With Diode And Audible Continuity&uml;Cmeasuring DC & AC voltage,current,capacitance,resistance,Diode Check,frequency,Dwell angle,duty cycle Shipped from USA and fulfilled by Amazon. Measurment of DC & AC voltage, DC & AC current, capacitance, resistance, Diode Check, type k temperature , frequency, Dwell angle, duty cycle, PULSE WIDTH, RPM(Tach) , transistor HFE, diode test and on-off test,positive diode voltage fall and audible continuity,And USB even computers.6000 counts automatic range and medium-sized portable digital auto motive analyser Operation manual. Features Data Hold, Back-Light, C/F exchange, True RMS, MAX/MIN, USB Port function Auto-ranging scales make electronic measurements much easier and a breeze Comes with a super large Backlit LCD display which is visible in low light Automatically enters sleep mode after 15 minutes of inactivity of rotary switch and buttons for saving power