SG Tool Aid 28300 Circuit Tester with Digital Display

Measures from 5.0 to 28.0 volts DCQuickly and easily checks voltage, power, ground and circuitry without the need to hook up complex equipmentTall, easy to read LCD displayRed LED indicates power (+) and green LED indicates ground(-)Wire stretches up to 11 feet for use, then automatically retractsComputer safe – draws less than 10 milliamps at 12 voltsHeavy duty ground clip with insulatorSuper sharp stainless steel probe