+1 c to +5c set temperature - operates at +3c to conform to the requirements of food hygiene regulationsexternal digital controller - for temperature readings without having to open the door, so preventing unnecessary temperature fluctuations within the fridgelock and two keys - for improved safety, accountability and security over domestic refrigeration, a lockable fridge helps prevent unauthorised access to valuable and dangerous contentsfan assisted - to aid the flow of cool air around the fridge, eliminating temperature variations to keep the contents at a consistent temperature. Also speeds up temperature recovery after door openingaudible and visual high and low temperature alarms - to alert anybody nearby as soon as the temperature begins to go too high or low, so that action can be taken to rectify the problem and prevent damage to the contentsreversible door - for maximum versatility in sometimes limited working spacessmall countertop size - for limited space needing medical refrigeration