Features: This sauna hygrometer thermometers with sand timer combines precise temperature/humidity monitoring and time management in natural pine wood, eliminating battery needs while blending seamlessly into steam rooms. Features large font analog dials for steam resistant readability, mechanical sand timer for control, and knotty pine construction that resists warping in high heat sauna environments. Ideal for home sauna owners, spa operators, and elderly users needing clear visibility of environmental conditions during therapeutic heat. Perfectly suited for integration in saunas, and commercial wellness facilities requiring analog monitoring solution. The wooden hygrometer merges Scandinavian sauna tradition with functional double scale measurement a natural centerpiece that enhances safety through visible steam room metric and timing. Specifications: Component: Wood Temperature Ranges: 20-120℃ Humidity Ranges: 10-100% Timer: 15 Minutes Size: about. 290x30x140mm/11.42x1.18x5.51in Color: 3 color optional Package Includes: 1pc Thermometers Hygrometer note: Does not require batteries. Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.