Lisle 24550 Computer Safe Circuit Tester

Also Indicates Polarity. SUPERSEDES 27450
 
Safe for automotive computers. Won’t damage sensitive electronic components. Draws less than 21 mA. at 12 volts DC. Operating range 3-28 volts. The red light indicates positive polarity, green indicates negative polarity.

WARNING: Cancer & Reproductive harm www.P65Warnings.ca.gov