An official unboxing and in-use review of the RoadPRO Snackmaster Cooler/Warmer. The 12-Volt SnackMaster cooler/warmer has a quiet motor and plugs directly into your cigarette lighter socket. It has an extra large capacity and can hold over 18 quarts (16 liter). The thermo-electric operation keeps contents warm or cold and it features a Front panel switch, removable shelf, sealed hinged lid with a thermal pane window and a sturdy handle. It cools 30°F to 35°F below ambient temperature and has a 8′ DC power cord. Dimensions (hxwxd): 20 x 11-3/4 x 12-1/4.