Bottle of Glycerin, Features Monitor Temperature Readings Of Stored Product Of Similar Mass. Slow Sensor Rate-Of-Change Vs Fast-Reacting Air Temperature Reading. Monitor Temperatures Above and Below Freezing, For Use With Mfr. No. EA800, EA200, EA400, Includes Mounting Screws, Instructions, Manufacturers Warranty Length 1 yr.WARNING :California ResidentsThis product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm.