- Operated between 3 to 28 volt
- No wire or clip needed while diagnosing polarity
- Made of rugged chrome metal
- Contains LED and buzzer indicator
- Includes long-life alkaline 23A batteries
- Safe for 6 and 12 volt systems
This unit does not require ground wire or clip and is safe with ECM’s sensors, transducers, airbags, computers, etc.. Its special designed V-tip needle allows safe piercing and prevents side-slipping when piercing wire's insulation. V-tip can be removed to test hard to reach places.