Product: Non-Contact Electric Test PenModel: JM-G2704Power: 2 x 1.5V AAA batteriesWorking Voltage: 12/48-1000VFrequency: 50/60HZAlarm Mode: Sound and Light AlarmLighting Flashlight: white LED lightAutomatic Shutdown: 5 minutesLow Battery Indicator: Power Indicator light FlashesZero Fire wire Judgmen..