Number of sales: 1 PcsProduct name: 12V digital double-clamp battery alternator testerProduct material: plastic, copperProduct color: grayProduct size: 12.5*5*2cmMaximum voltage and current: 12V 15ALine length: 27cmNumber of LEDs: 6 (2 red, 3 green and 1 yellow)Note: Please read it carefully before use.