• Tests circuits from 3 to 28 Volts DC
• LED Light & Buzzer Indicator
• Does Not Require a Ground Wire or Clip
• Safe for work on Automotive Computers, ECMs, Airbags, etc.
• Special V-Tip allows safe piercing and can be removed to test in hard-to-reach places
• Operates on replaceable long-life Alkaline batteries (included)