Feature: 1. 2 in 1 Functionality: The sauna temp gauge hygrometer allows you to monitor both humidity and temperature simultaneously, ensuring optimal conditions for your sauna experience. 2. Humidity Monitoring: With a humidity range of 0 to 100%, the sauna hygrometer accurately measures humidity levels, helping you maintain a comfortable and relaxing sauna environment. 3. With LED Light: The sauna accessory is made of clear acrylic with bambusoideae base, which is beautiful and easy to integrate into any interior decor. White LED illumination ensures that the scale is clearly visible and easy to read. 4. Long Battery Life: Equipped with a built in 1800mAh li ion battery, the sauna temp gauge operates for 4 to 6 hours on a full charge. Suitable for hotel, home, sauna indoor temperature and humidity measurement. 5. Easy to Install and Adjust: Designed for easy setup, the sauna temperature gauge can be easily mounted on any wall, making it a convenient addition to your sauna or wellness space. Specification: Item Type: Sauna Temp Humidity Gauge Humidity Display Range: 0%-100% Light: White Ambient Light Battery: 1800mAh Li ion Battery (Shipped with Built in Battery) Material: Transparent Acrylic Light Guide Plate + Bambusoideae Base Weight: Approx. 462.00g / 16.3oz. Package List: 1 x Temp Humidity Gauge 1 x Instruction Manual 1 x Connection Cable 1 x Positioning Hole Measuring Paper 2 x Wall Nails