49L/51QT Quiet Cooling for Indoor and Outdoor - Operating at a whisper-quiet 45 dB, this electric cooler is great for both indoor and outdoor settings, guaranteeing you can enjoy peace and quiet while keeping your items chilled or frozen. Dual-zone Convertible Fridge Freezer Design -- With an adjustable temperature range of -4F to 68F, this 12v refrigerator and freezer transitions easily between cooling and freezing. It's perfect as a travel fridge or a portable freezer for camping, road trips or small indoor spaces! Dual Voltage with Cigarette Lighter Compatibility - Power your 12v car refrigerator via AC (100-240V) or DC (12V/24V), with a cigarette lighter cable included for hassle-free car use. Planet-Friendly & Energy Efficient Cooling - Featuring R600a refrigerant, our 12v cooler provides efficient cooling with a low environmental impact, ensuring reliable and sustainable performance for all your adventures.