MOTOPOWER MP0514A 12V Digital Battery Tester Voltmeter and Charging System Analyzer with LCD Display and LED Indication - Black Rubber Paint Micro-processor Controlled. It provides a quick reading to determine if a vehicle battery needs a jump or replacing. Reverse-hookup and over-voltage protection, making it safe and simple to use With a four-character lighted digital display, this battery voltage tester is easy to read with accuracy. Colored LEDs indicate battery or alternator status Black Rubber Paint body with 30Amp Alligator Clamps