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,transistor,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:5818 DC 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/R100k±10% of Arc Capacitance test:C*0.1/C*10/C*100/C*1K/C*10K Decibels test:-10 ~ +22dB Transistor test:Yes Continuity test:Yes Power supply:1.5V AA battery*2(not included) size:150x80x37mm Material:ABS+electronic components colour:black package contents: 1 * Analog Multimeter 2 * Test leads 1 * 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.