Absence of Voltage Tester Alert Type Light CAT Safety Rating Not Rated Cable Length 8 ft Display Type No Display Includes AVT Tester with 10 ft Sensor Lead Maximum AC Voltage Measured 600 V Maximum DC Voltage Measured 600 V Power Source Battery Tester Type Absence of Voltage Tester Battery Chemistry Lithium Ion Battery Size 3.6V Display Screen Type No Display For Phase Single Three Split Includes Batteries Yes