The Extech 39272 pocket thermometer is a fold-up thermometer with 4.5" stainless steel adjustable probe. You can adjust the probe from 0 to 180° for storage or measurement. The Extech 39272 pocket thermometer is accurate to within ± 1.8˚F (-22 to 482˚F); ± 1˚C (-30 to 250˚C) and has a temperature range of -58 to 572˚F (-50 to 300˚C).Other features of the Extech 39272 pocket thermometer include fast response, auto power off, data hold, and MIN / MAX functions. The Extech 39272 pocket thermometer comes complete with wrist strap and AAA battery.