Power Probe III w/Case & Acc - Fire (PP319FIRE) [Car Automotive Diagnostic Test Tool, Digital Volt Meter, AC/DC Current Resistance, Circuit Tester] Flame Desgin Housing 20 foot jumper lead Continuity tester Relay and component tester Works on 12-24v Sources 20 feet jumper lead set Bad ground indicator and short circuit indicator Continuity tester Relay and component tester