Sauna Thermometer and Hygrometer Combo Mechanical, Battery, 3.94 inch Dial Key benefits Realtime monitoring of sauna conditions so you can maintain target temperature and humidity levels for consistent performance. Large, easytoread dial and transparency glass make readings visible from across the room, reducing guesswork and adjustments. Fully mechanical operation requires no batteries and no power source, ensuring reliable performance in heat environments. Product highlights Dual function: thermometer in Fahrenheit and hygrometer for humidity in one compact unit. Extralarge 3.94 inch dial with bold numerals for quick, accurate readings. Measurement ranges: temperature 70 to 250 F, humidity 0 to 100 percent. Mechanical sensing with convection holes for responsive readings without batteries. Durable construction: stainless steel alloy frame with antifog ventilation and corrosionresistant materials designed for prolonged exposure to heat. Hanging design for easy installation and clear placement in any sauna or steam room. Low maintenance and built to last in extreme heat conditions. Why this product solves common problems Eliminates uncertainty about sauna temperature and humidity so you can adjust heating and steam settings with confidence. Battery mechanical design avoids failures from battery corrosion or heatrelated battery degradation. Large, clear face prevents misreading in lowlight or steamy conditions, reducing interruptions and frequent checks. Practical use scenarios Home sauna: Hang near the heater to monitor temperature and humidity while preparing the session. Commercial spa or gym steam room: Install in a visible spot to help staff and guests verify room conditions quickly. Infrared sauna: Track temperature and humidity in real time to ensure consistent user experience across sessions. Specifications at a glance Dial size: 3.94 inch Temperature range: 70 to 250 F Humidity range: 0 to 100 percent Material: stainless steel alloy frame, transparency glass, antifog ventilation Operation: analog mechanical, no batteries required Mounting: hanging design This mechanical sauna thermometer and hygrometer provides a straightforward, reliable way to monitor sauna and steam room conditions with clear readings, durable materials, and maintenance operation.