Battery-Free Analog : Featuring dual analog dials for temperature and humidity, this mechanical sauna gauge operates without batteries for maintenance-free convenience. The precise sand timer and mechanical movement deliver dependable readings during every session, helping users track sauna duration accurately while staying fully immersed in their wellness and relaxation routines. Secure Wall-Mounted Design: Designed with pre-drilled mounting holes, this pine wood sauna gauge installs easily on most sauna walls for a stable, vibration- fit. Solid Pine Wood Frame: Crafted from premium solid pine, this sauna thermometer hygrometer timer offers outstanding durability and natural resistance to heat and moisture. High-Contrast Dual Display: The integrated thermometer and hygrometer use bold, high-contrast pointers and enlarged numeric markings for quick reading even in dim sauna lighting., Weight: 1.31395508152 pounds, Manufacturer: Htuteyy