The size of the thermometer is 26*3cm. Thermometer probe folds away for convenient storage. Accurate and quick temperature monitoring from -58ºF to 572ºF and -50ºC to 300ºC Built in carrying hole and on/off switch. Digital thermometers are NOT meant to be left in food during cooking. The plastic and electronic components could be damaged with excessive heat. Thermometer will be hot after use. Use potholders or oven mitts when handling hot thermometer.