3 in 1 Room Temperature Measurement + Probe Food Measurement + Countdown Function Multifunctional Thermometer 1. Temperature measurement range: built-in temperature: -20 to 70 degrees Celsius, external temperature -30 to 300 degrees Celsius 2. Countdown range: the longest 23 hours 59 minutes 59 seconds, the shortest 1 minute 3. Measurement accuracy: plus or minus 1 degrees Celsius (1.8 degrees Fahrenheit), within the range of 0-200 degrees Celsius 4. Measurement resolution: 0.1 degrees Celsius0.1 degrees Fahrenheit 5. Temperature measurement cycle: internal temperature 10 seconds, external temperature 1 second 6. Window size: 59 mm in diameter 7. Dimensions: diameter 78x24.5 mm 8. Probe size: SUS304, diameter 4.0x230 mm, reduced diameter 2.3 mm (elbow) 9. Power supply: 2 x 1.5V (AAA) battery, (not included) 10. This is a thermometer that can measure room temperature, can measure food temperature with an external probe, and has a countdown function; it uses a metal ring to wrap the body and has a beautiful and unique appearance 11. Suitable for home temperature measurement; countdown; various refrigerationheating food processing; temperature measurement of various meats and liquids; outdoor barbecue, drinking water for milk, cold drinks, baking, deep-fried, braised and decocted during cooking in the kitchen be usable 12. Color: Black (room temperature - 20 to 70 ℃); red (probe temperature - 30 to 300 ℃); blue (24 hours countdown) 13. Packing list: host x1, probe x1, three-hole anti-scalding bracket x1, manual x1