Using the very latest innovations in energy technology and designed to meet the challenge of sustainability by saving energy, Outwell ECO cool boxes comply fully with the requirements of the EU energy efficiency standards. Highly efficient, the smart design uses extra insulation for the reliable heat and cold conservation options. The interior icepack divider boosts the cooling facility. Hidden and protected cable entry, PU insulation for the best performance, Cooling and heating functions. Cools 18-25C below outside temperature Warm 50-60C. Can be used for both 12 v and 230 v (UK mains plug connection), Inside icepack divider Optimal ventilation performance.