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.
Lisle Manufacturer Warranty
All products have a lifetime warranty to be free from defects in material and workmanship. Warranty does not apply to misuse, abuse, neglect, accident, improper use, etc.