The thermometer supports Celsius, Fahrenheit and Kelvin conversions.Accurate and Fast Response - Accurate and fast readings with a 4-channel K-type digital thermometer thermocouple sensorLarge 4-Channel Digital LCD Backlight Display: The HT-9815 Thermocouple Thermometer features a large HD LCD screen and backlight, the text is clear and easy to read, allowing you to better view data and readings even at night or in dark places.Wide measurement temperature range: 200C ~ 1372C (-328F ~ 2501F)Multifunctional: Handheld portable design, easy to carry and use. It can be used in the laboratory, circuit board inspection, machine shop and liquid measurement.size: 200 x 85 x 38mmMaterial: plasticcolour: WhitePackage Contents:1 x Thermocouple ThermometerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.