Flexible Dual Zone Design- With detachable partition Design, GO20 provides 2 separate zones for refrigeration and freezing, which can be operated with 2 digital panels at the same time. High Quality - SECOP(Danfoss) Compressor, Winner of IDEA & Reddot; ETL Certificate; Global Product Insurance. 3-STAGE Car Battery Protection for Safe Trip - Features a 3-Stage Dynamic Battery Protection that can prevent your car battery from running down when connected with your carport. An ECU program for low-voltage battery protection, EMC anti-electromagnetic interference, and Current overload protection design protects the device while you're on the road. MODES for Fast Cooling & Energy-Saving - MAX & ECO Mode can be adjusted as needed. In the Max Mode, GO20 fully operating for Fast cooling is 45W. or you could also choose ECO mode for saving energy and extending the using time. 5 Years