Auto-Ranging Digital Multimeter,HOLDPEAK 770H with Non Contact Voltage detection,Diode,HFE And Continuity Test&ndash;Measuring DC & AC voltage,current,resistance,capacitor, frequency,duty cycle,temperature Non Contact Voltage Test(NCV): When the detection of voltage is greater than 90V(RMS), keep close to the conductor, the instrument sensor will light and buzz. Over Load Protection & Continuity Test: Use the PTC protection circuit for resistance, temperature and frequency measurement. If measured resistance less than 100, the buzzer will sound. Auto-Ranging & Auto-Power Off: Measuring DC & AC voltage, DC & AC current, resistance, capacitor, frequency, duty cycle, temperature, transistor hFE, Non Contact AC Voltage (NCV) detection, positive diode voltage fall and audible continuity.6000 counts automatic range and manual range and mechanical blocking system,large screen,digital multimeter Operation manual. Low Battery Indication & Blacklit LCD: 3 1/2 digit LCD display for visibility in dimly lit areas. Feature a low battery indicator so you never accidentally run out of juice. Package Content: 1x HOLDPEAK 770H Digital Multimeter, 2x 1.5V(AA) Battery, 1x User's Manual, 1x Test Lead.