It's the complete 4 part testing kit. This kit includes a continuity tester, spark plug tester, 6 & 12 volt auto circuit tester and a 90-600-volt tester light. You'll never need to buy another tester.
- Continuity tester checks for short circuits and faulty appliances
- Self powered complete with full 3-ft. ground clip wire
- Spark plug tester & handy pocket screwdriver that instantly tells whether or not spark plugs are firing
- 6 & 12-volt auto circuit tester checks complete accessory circuits
- For use on marine, auto and trailer quickly finds faulty taillights, head Lights, turn signals fuses, sockets, connections, and short circuits
- 90-600-volt tester light instantly tests fuses, outlets, extension cords, switches, etc. for 110-volts & 220-volts