SuperFast Thermapen ONE Thermometer RED - Digital Instant Read Meat Description nThe Thermapen One thermometer is the latest model of the UKs number one selling food thermometer, Thermapen. Measuring temperature over the range of -49.9 to 299.9 C and used by hundreds of thousands of discerning cooks worldwide, it offers a combination of speed, accuracy and convenience of use. The new Thermapen One uses advanced technology and includes a number of innovative features illustrated below. The Thermapen One is fully configurable using buttons in the battery compartment. Here you can choose to lock the display position, disable auto-sleep mode, choose C or F scales and select 1 or 0.1 resolution. The patented 360 self-rotating display can be used in any position, in either hand and is truly ambidextrous. The Thermapen One incorporates an intelligent backlit display sensing light levels, automatically turning the backlight on/off in varying light conditions. The motion-sensing sleep mode.