12-Volt Car Plug In Cooler and 12V Warmer with Cup Holders (7-Liter Design) 12-Volt 7 Liter Cooler/Warmer with Cup Holders Plugs Directly into Your Cigarette Lighter Socket Secure Clip-Lock Lid Keeps Contents Secure Twin Cup/Drink Holder on Side of Unit and Adjustable Shoulder Strap Cools 25 Degrees F Below Ambient Temperature as Low as 45 Degrees F (7.2 Degrees C)