Power Probe III with Case, Fire with Clamshell The Power Probe III Circuit tester (Fire) with the ability to supply Power or Ground with an indicator tone and bright-white LED headlamps . Supplies Power and Ground. Digital Voltmeter with Min/Max Voltage Capturing. 4mm Banana Jack . 20 Foot Power Lead . Tests for Bad Grounds/Short Circuits . Hand Held . Powered by Vehicle Battery . Momentary On SPDT Switch . Slim Design for Fitting into Tight Places . Gold Plated Brass Probe Tip . Directed LED Head Lamps to Illuminate Test Area PP3S06CS