The refurbished Eppendorf Comfort 5355 Thermomixer offers programmable digital controls with an LCD display for precise mixing and heating of samples. Its temperature range extends from 13 degrees below ambient to 99 degrees, with an accuracy of +/-0.5 degrees between 20 and 45 degrees and +/-2 degrees outside that range. The mixing speed is adjustable between 300 and 1400 rpm with a 3 mm orbital. It features a heating rate of 5 degrees per minute and a cooling rate of 3 degrees per minute. It includes a lidded block for 2 mL tubes and is compatible with interchangeable blocks for different tubes and plates. It operates on 100-240V, 50/60Hz, and 90W. Dimensions are 22x25x12.5 cm, weight is 3.2 kg.