1:110mm insulation wall ,CFC Free 2: 60% solar panel&battery saved comparing to the similar normal types of freezers 3:Freezing to -18C even ambient temperature at 43C 4:No Trouble to drain out the battery time to time 5:Keep frozen foods for 12hrs even power off 6:Ultra Energy Efficiency 7:Automatic detection of voltage 8:Used as fridge or freezer 9:Suitable for all DC applications 10:Low maintenance and easy to clean 11:Electronic protection functions 12:Reverse polarity protection 13:Deep discharge protection 14:Optimized Cooling System 15:Battery powered directly , Suitable for Wind orSolar power&Grid Power 16:2Solid lids Plus 4glass lid to lock the cold 17Extremely strong Lid,Hinge and freezer body 18:Celsius Scale/ Fahrenheit temperature scale 19:Intelligent to operate under former presetting 20:Self-Detecting 9 faulty & alarm 21:Cabinet lighting lamp 22:High temperature resistance design and energy saving design 23:Fully numerical Controller 24: Condenser:Air Forced Fin Coil , Suitable for Tropical Climate. 25:15% battery cost during maintenance against normal type 26:Self-Locked DC Cord Plug 27:Built-in backup Temperature probe 28:Ideal for Household , Cottage, dairy farm, rural country side ,cold chain, grocery ,ice cream vendor etc.