The FS24LPLUS2 is a compact all-zer designed to fit easily on top of counters. It comes in a white exterior finish. The door includes a factory-installed lock and a thermometer calibrated to NIST standards in our ISO/IEC 17025:2017 laboratory. It displays the current, minimum, and maximum temperature to the nearest tenth degree viewable in Celsius or Fahrenheit. The buffered temperature probe is stored in a glycol-filled bottle to ensure the temperature reading reflects the temperature of other stored zer contents. Inside, the FS24LPLUS2 a 1.4 cu.ft. capacity. Manual defrost utilizes static cooling to help improve temperature stability. A removable wire shelf storage convenience and the flat door liner conforms with the CDC's guidelines for vaccine storage. The seamless interior liner helps to simplify cleanup.Accucold's PLUS2 series zers are intended for a wide variety of basic storage only. Storage of high-value vaccines, life science materials, medical, or clinical biologicals require a product with design features including, but not limited to tighter temperature controls, monitoring, and/or back-up.