Lisle 27450 Computer Safe Circuit Tester & Polarity Indicator

Lisle Computer Safe Circuit Tester & Polarity Indicator part number 27450.

Works Without Damaging Sensitive Electronic Components.

Safe for use on 12 volt automotive computer circuits. Tool draws less then 21 m.a. at 12 volts DC with an operationg range fo 3 - 28 volts. Red glow indicates positive polarity and green glow indicates negative polarity.