Describe： Voltage testing range of Automotive Test Lights: 3-70v、6-24v、3-70v、6-24v、5-90V、3-120V. Resolution: 0.1V Accuracy: ±1%+2digitals Working environment: 14-122℉(-10-50℃); Relative humidity<80% Package Demensions:About ‎10.79 x 4.06 x 1.46 inches Weight: ‎4.2 ounces PACKAGE INCLUDED: * 1 Pc x Tester Electric Test Pen.