Professional Dual Measurement: This sauna thermometer accurately monitors temperatures from 68–212 Degree Fahrenheit and 0–120 Degrees Celsius, alongside a hygrometer measuring 0–100 percent humidity, with industry-standard precision of ±3 Degree Fahrenheit/±2 Degrees Celsius and ±5% RH for reliable environment tracking. Extreme Environment Durability: Featuring a high-temperature, corrosion-resistant, and waterproof construction, this sturdy gauge is built to withstand harsh sauna conditions while maintaining consistent performance. High-Readability Dial Design: Equipped with bold numerals, a vivid red pointer, and anti-glare glass over a clearly scaled dial, ensuring quick and easy reading even in steamy, low-visibility sauna settings. Battery-Free Mechanical Operation: As a fully mechanical device, it requires no batteries—eliminating failure risks in high heat—and supports manual calibration for long-term accuracy and convenient home use. Versatile Sauna & Indoor Use: Ideal for both traditional and steam saunas in hotels or residential settings, this practical yet decorative accessory also serves as a perfect gift for sauna enthusiasts seeking reliable indoor climate monitoring. Item Name: Sauna Thermometer Material: Metal Type: A: 10-120 Degrees Celsius, B: 68–212 Degree Fahrenheit Features: Sauna Accessories, Accurate, Easy to Hang Size Details: L: 9.6cm/3.78", W: 9.6cm/3.78", H: 2.5cm/0.98" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sauna Thermometer