Dometic cfx compressor portable refrigerator/freezers provide excellent cooling performance, even at extreme ambient temperatures and with minimal power consumption. They can be used for standard refrigeration as well as for freezing. Fitted with heavy-duty features like reinforced corners, stainless steel Hinges and a robust lid lining, hi-tech cfx refrigerator/freezers can withstand the most demanding of loads. Even so, they are remarkably lightweight and easy to transport. The cfx 35W to cfx 100W models give you the convenient option of controlling and monitoring the cooling temperature by WiFi app (excludes cfx-28 & cfx 65Dz). suitable for deep freezing down to -7 degree F (-22 degree C) without the need for ice. All operate on 12/24 Volts DC and 120 Volts AC, so they move seamlessly from home to vehicle. (12/24 V DC Cord and 120 V AC Cords included). Cfx special electronics with digital temperature display. Extremely efficient and superbly Quiet operation. USB port for charging smartphones or small electronic devices. Drain plug make cleaning simple. Energy-efficient LED interior light. Suitable for solar operation. 3-Stage battery protection. Memory maintains preset temperatures even if systems is turned off. Cooling compartment has removable wire basket. Great for adding refrigerator or freezer space to any RV, car, truck, or boat. With the ability to utilize multiple power sources you can take your refrigerator/deep freezer with you on any adventure.