1, Digital Voltage Tester 2, Automotive voltage tester 3, Direction & Induction Test 4, Multi-Function Newest Automotive Voltage Tester with CE Approved Digital Voltage TesterProduct Features:* total length: 133mm* Both direct & induction test capability can find phase & ground line also breakpoint of phase line* Contact AC voltage test: 12V to 250V* DC voltage check: 1.5V to 36VSpecification: