EASY-TO-READ DISPLAY: Large, easy-to-read dial faces for both temperature and humidity with clear markings and a classic analog design, eliminating the need for batteries. WIDE MEASURING RANGE: The thermometer measures temperatures from -30°F to 120°F (-35°C to 50°C), while the hygrometer measures relative humidity from 0 to 100%. Perfect for monitoring indoor spaces like homes, offices, and labs. DURABLE CONSTRUCTION: Built with high-quality materials for long-lasting durability. The sleek black frame adds a professional look to any setting, making it ideal for both casual and professional use. VERSATILE PLACEMENT OPTIONS: Wall-mountable or free-standing, it can easily be placed on a desk, shelf, or mounted on a wall for convenient monitoring. NO BATTERY REQUIRED: This simple, battery-free design provides a dependable, low-maintenance solution for keeping track of environmental conditions. 5 YEAR WARRANTY: We stand behind the quality of our products and offer a 5 year manufacturer warranty. The dial hygrometer / thermometer is ideal for classroom, lab or industrial use. Large, clear, 0 to 100% RH scale on 4" dial. Easily read from a distance. Uses a precise synthetic hair hygrometer with an accuracy of ±5%. Plastic face meets food industry requirements. Inner dial shows temperature using a bimetal thermometer, with an accuracy of ±2°F. Wall mounts.