Description A practical tool for electrician use. It is easy to operate and the readings indicated directly on the screen. It can be used to overhaul all kinds of circuit boards. It is also an ideal teaching instrument for students. Features: 3 1/2 digits, 7segment, 0.5high LCD Display. Max display:1999, Auto polarity display. Small and compact design. Overload protection on all ranges. Sampling 2~3 times readings per second. Diode aembly test/Temperature test/Transistor hFE test. Low battery voltage indication. Specification: Model:DT-830B Measuring range:Max AC Current:10A Max AC Voltage range:1000V Max DC Voltage range:750V Resistance Measurement:200 Ohm-2000K Ohm range Power Supply:9V Battery (Not Included Here) Color:Black, Yellow Size:Approx. 123 x 67 x 20mm/4.84 x 2.63 x 0.78(L*W*H) Scale degreeAccuracy:DC voltage:200mV 100uv(0.5% + 2) 2000mv 1mv 20v 10mv 200v 100mv 1000v 1v(0.8% + 2) AC voltage:200V 100mv(1.2% + 10) 750v 1v DC current:2000ua 1ua(1% + 2) 20ma 10ua 200ma 100ua(1.2% + 2) 10a 10ma(2% + 2) Resistance:2000.1(0.8% + 2) 20001 20k10 200k100 2000k1000(1% + 2) Notes: Please allow 1-3mm error due to manual measurement and there will be different color as different display, please understand. Thanks. 1 x Digital Multimeter 2 x Probes 1 x User Manual