| The six CoolFreeze coolers CF-25 to CF-110 are equipped with the CF special electronics system featuring the following functions: > Intelligent, automatic turbo cooler > 3-stage battery protection to be set on the digital display > 4-digit display readout > Digital readout in Celsius or Fahrenheit > Free temperature setting on the display > Display of current interior temperature > Status and error indication by 2 separate LEDs > Memory function saves the last settings |