Easy to Read Dial: The clear dial design makes it simple to monitor both temperature and humidity levels at a glance, enhancing your sauna experience effortlessly. Sturdy ABS Construction: Made from ABS material, this device is designed to withstand the rigors of humidity environments, for longlasting use. SpaceSaving Design: Measuring approximately 10 mm x 10 mm, it can be conveniently mounted on walls without occupying excessive space in your sauna area. Why you need it: Quickly gauge sauna conditions to improve comfort and safety, helping prevent overheating or excessive moisture. Key specs at a glance: Function monitor temperature and humidity; Material ABS; Size about 10 x 10 mm. Use scenarios: In a home sauna to maintain comfortable and safe temperature and humidity levels during sessions. In a spa or gym sauna area to provide reliable readings for multiple users and consistent experience. In a steam shower or humid bathroom to monitor humidity and protect surrounding fixtures and healthful conditions.