1.This tester is a battery-powered,easy-operating, & safe,handheld analogue instrument.2.It has the high sensitivity 10kohm/V at DCV ranges & 4.5 /V at ACV ranges.3.Can offer the accurate,reliable measure current,resistance,continuity test, istor,diode and capacitance,etc.4.It's also provided with the good overload protection via Fuse & Diodes,etc.5.It's an Perfect instrument for applications in the fields of garage,workshop,school and home,etc. Model:5818DC Voltage:0.5/2.5/10/50/250/500/1000V 2.5% F.s.AC Voltage:10/50/250/500/1000V 5.0% F.s.DC Current:0.1mA/2.5mA/25mA/500mA 2.5% F.s.Resistance:R1/R10/R100/R1k/R100k10% of ArcCapacitance test:C*0.1/C*10/C*100/C*1K/C*10KDecibels test:-10 ~ +22dB istor test:YesContinuity test:YesPower supply:1.5V AA battery*2(not included)size:150x80x37mmMaterial:ABS+electronic componentscolour:black package contents:1 * Analog Multimeter2 * Test leads1 * English manual Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.