Specifications:Material: ABSColor: Black / Yellow (optional)AC Voltage: 12V -1000VAlarm Mode: Voice/Light/AnalogDisplay: LCD Display ScreenFlashlight: YesLow Battery Indicator: YesLive Wire And Zero Line: Voice/Light/LCD Analog DisplayNon-Contact Sensitivity: AdjustablePowered By: 2Pcs x AAA Batter(Not Included)Item Size: 159*26.4*26.4mm / 6.3*1.0*1.0"Item Weight: 42g / 1.5ozPackage Weight: 45g / 1.6ozPackage Size: 180*30*30mm / 7.1*1.2*1.2" Features:Non-Contact Voltage Tester with Wide Testing Range---This non-contact voltage tester voltage within 12-1000V AC,all electric appliances in your family can be tested by itSafe and Convenient---The voltage pen tester detectes voltage in a non-contact way,so do not worry about there could be any possibility of being shocked by the electricityHigh Efficiency---With the adjustment sensitivity function,you can use the volt tester without worrying that it would be noise under no operation. As long as voltage is detected,the led in the tester pen will shine.Multifunction Easy to Use---It Also Acts as an Emergency Flashlight which can illuminate the working area, you can use the non contact voltage detector in circuit breakers,lighting fixtures,switches,outlets,wires and anywhere you need itLED Light Design---Makes it work even under dark environment. It is an ideal tool for electric worker.