Rubbermaid Portable Travel Cooler and Warmer with 12 Volt DC Plug for power adapter for in vehicle use. Plug directly into vehicle cigarette lighter or power boat outlet. Cooling functions chill contents to 40 degrees or heats contents to approximately 120 degrees with a flip of a switch. Great for tailgating, summer road trips, beach, or on your power boat. $30 - Call Roger 16 Nine Three Seven 6124