CTEK Limited Edition Battery Charger Bundle with Extension Cable Fully automatic charging and maintenance in 8 steps maximizesbattery life and performance Water and dust resistant means it is safe to use in all climate situations No sparks, short-circuit proof and reverse polarity protected makes it safe for all the vehicles electronics and easy to use Patented maintenance charge for a unique combination of maximized life and performance (1)CTEK56-864 MUS 4.3 Battery Charger, (1)CTEK56-915 Bumper-Black Accessory, (1)CTEK56-304 Extension Cable, (1)CTEK56-870 Comfort Indicator Cig Plug- ALL in a a cardboard toolbox