Product Description: Urijk DT830B AC/DC LCD Digital Multimeter 750/1000V Voltmeter Ammeter Ohm Tester High Safety Handheld Meter Digital Multimeter Material:Polypropylene+Digital Acceories Size:123*68*22mm Weight: 80g Features: Small and compact design,Low cost, pocket size ideal for hobby &DIY users , Auto polarity display mpling 2~3 times readings per second. 1.3 1/2 digits, 7segment, 0.5"high LCD Display. 2.Max display: 1999, Auto polarity display. 3.Small and compact design. 4.Sampling 2~3 times readings per second. 5.Diode aembly test / Transistor hFE test. 6.Low battery voltage indication. Specification: 1.Model: DT-830B 2.Measuring range: 3.Max AC Current: 10A 4.Max DC Voltage range: 1000V 5.Max AC Voltage range: 750V 6.Resistance Measurement: 200 Ohm-2000K Ohm range 7.Power Supply: 9V Battery ( Not Included Here ) 8.Color: Black 9 .Size: Approx. 123 x 67 x 20mm/4.84 x 2.63 x 0.78'' (L*W*H) 10.Scale degree &Accuracy: 11.DC voltage: 200mV 100uv(0.5% + 2) 2000mv 1mv 20v 10mv 200v 100mv 1000v 1v(0.8% + 2) 13.AC voltage: 200V 100mv(1.2% + 10) 750v 1v 14.DC current: 2000ua 1ua(1% + 2) 20ma 10ua 200ma 100ua(1.2% + 2) 10a 10ma(2% + 2) 15.Resistance: 2000.1(0.8% + 2) 20001 20k10 200k100 2000k1000(1% + 2) Screen values jumping explain Picture products are for reference only, not as products for sale Because of the influence of theexternal electrical atmosphereIncluding on-site electromagneticfield, air static interference Test Leads Shorted Clear The small gear voltage/currentsensitivity is higher and will sensethe electric field around the test lead. it is normal for the value to jump