Features Display: 3 3/4 digital large LCD with 4000 counts Manual & Auto ranges Data hold Backlight Full overload protection Built-resettable fuse protection Fuse Protection: mA and mA file: resettable fuse; 10A file: F 10A/250V 6.332mm Misconnection alarm system Red lights to show the correct terminals Audible warning for over-range "Sleep mode", auto power off & low battery indication Unit symbol display Continuity test Diode test Duty Cycle Measurement Relative value measurement Specifications DC voltage: 400m/4V/40V/400V ¡À 0.7%, 1000V ¡À 0.8% AC voltage: 400mV ¡À 3.0%, 4V/40V/400V ¡À 0.8%, 750V ¡À 1.0% Resistance: 400/4k/40k/400k/4M¦¸ ¡À 1.0%, 40M¦¸ ¡À 2.0% DC current: 400¦ÌA/4000¦ÌA/40mA/400mA ¡À 1.5%,10A ¡À 2.0% AC current: 400¦ÌA/4000¦ÌA/40mA/400mA ¡À 1.5%,10A ¡À 3.0% Capacitance: 20n/200n/2¦Ì/20¦ÌF ¡À 4.0% Frequency: 10/100/1000/10k/200kHz ¡À 2.0% Transistor hFE: 1 ~ 1000 Continuity test Diode test Duty Cycle Measurement Relative value measurement Sampling Rate: approx. 3 times / second Test Leads: 1KV 10A Safety Standards: IEC1010-1, CAT. III 600V & CAT. II 1000V Operating Temperature: 0 ~ 40¡ã C (32 ~ 104¡ã F) Operating Humidity: below 80% RH, <10¡ã C non-condensing Storage Temperature: -10 ~ 60¡ã C (14~ 140¡ã F) Storage Humidity: below 80% RH Power: 3 x 1.5V AAA batteries (included) Dimensions: 195 mm x 92 mm x 55mm (7.68" X 3.62" X 2.17" inch) Weight: Approx.380g (including battery) (13.40oz)