3 digits, 7segment, 0.5"high 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 assembly test / transistor p-n junction test / transistor hfe test low battery voltage indication specifications: model: dt832 measuring range: max ac current: 10a max ac voltage range: 1000v max dc voltage range: 750v resistance measurement: 200 ohm-2000k ohm range buzzer: yes function range resolution accuracy 200mv 100uv 2000mv 1mv dc voltage 20v 10mv ±(0.5%+2) 200v 100mv 1000v 1v ±(0.8%+2) 200v 100mv ac voltage 750v 1v ±(1.2%+10) 200ua 0.1ma 2000ua 1ua ±(1%+2) dc current 20ma 10ua 200ma 100ua ±(1.2%+2) 10a 10ma ±(2%+2) 200ω 0.1ω 2000ω 1ω resistance 20kω 10ω ±(0.8%+2) 200kω 100ω 2000kω 1000ω ±(1%+2)