Although mini sized, light weight and inexpensive, these units provide extremely accurate and reliable temperature measurement with all the versatility and range of type K & J thermometers. Features relative, min/max/ave temperature, hold, and touch tone buttons. Results are displayed on a large 1¼" x 1¾" LCD. An adjustment allows the user to easily calibrate to ice point or any other standard. Model 800007 will read and display results from two probes simultaneously and track the difference between them (T1-T2). Come ready to use with a 9V battery and 2 beaded wire probes (Ambient Type K probe 800077). N.I.S.T. traceable certificate of compliance available.