This Comark pocket thermometer has a large digit display that can be easily read from the top of the instrument. It has a temperature range of -4°F to 400°F with a response time of under 6 seconds. -4°F to 400°F temperature range °F & °C scales Under 6 seconds response time Large digit display Maximum temperature hold Field calibratable Waterproof 1.5mm thin tip probe Model #: DT400