0.8-100V testing range, ideal for car, truck, and various vehicles' electrical circuits voltage testing, also for automotive battery, battery charging systems, ignition systems, which is a must have tool for any automotive engineer, electronic engineer or circuits DIY.Specifications:Material: ABSVoltage Test Range: 0.8~100VPen Length: 17.5cm/6.9 inProbe Length: 4.3cm/1.7 inCord Length: 186cm / 73inEnvironmental Conditions for Use: CAT.III 300V; pollution level: 2; Altitude<2000m.Working Temperature and Humidity: 0~40℃ (<80% RH, <10℃ Non-condensing)Storage Temperature and Humidity: -10~60℃ (<70% RH, remove the battery).Maximum Allowable Voltage Between the Measuring Terminal and the Earth: 300VSampling Rate: about 3 times/secIndication of Excess Range: display“OL”Enter a Polarity Indication: auto display“-”signBattery: 1 x 1.5V AAA batteries(Not included)Item Size: 17.5 * 2.3 * 2.8cm / 6.9 * 0.9 * 1.1inItem Weight: 63g / 2.2ozPackage Size: 21.5 * 5.5 * 4.3cm / 8.5 *2.2 * 1.7inPackage Weight: 140g / 4.9ozPackage List:1 * Car Voltage Tester1 * Cloth Bag1 * User Manual (English)