Dual Zone DesignWith detachable partition Design, GO20 provides 2 separate zones for refrigeration and freezing, which can be operated with 2 digital panels at the same time. You can also remove the partition and it will be a complete space inside.Smart APP & Touch ControlConnect your GO20 with Bluetooth, you can easily change the Temp, cooling Mode, and car battery protection level just in one click!High QualitySECOP(Danfoss) Compressor, for Fast Cooling (15min to 0 Fahrenheit); Winner of IDEA & Reddot; ETL Certificate; Global Product Insurance.Battery ProtectionFeatures 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.Mode for Fast Cooling & Energy-SavingMAX & 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, 27W power only.