The NEW Thermapen One thermometer is the latest model of the UK's number one selling food thermometer, Thermapen. Measuring temperature over the range of -49.9 to 299.9 oC. It offers a combination of speed,accuracy, and convenience of use. The patented 360o 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 with user changeable time delay automatically turns the Thermapen on/off when set down or picked up, maximising battery life.Each Thermapen One is supplied with a FREE traceable certificate of calibration.