This is the medical version of the OB-2 with a display and includes yearly calibration to adhere to CDC standards. The kit includes a sensor that has been calibrated to NIST standards and has a certificate for reference. The kit includes a glycol filled jar to reduce temperature fluctuations per CDC requirements. This unit exceeds the CDC and VFC requirements for vaccine storage monitoring and meets the 21 CFR Part 11 recordkeeping Compliance guidelines. It records the temperature on five-minute intervals and is stored for the customer to retrieve when needed *Requires annual calibration exchange. Does not include shipping.