- Classic analog temperature and humidity monitor requires no batteries, making it ideal for long-term indoor use in kitchens, bedrooms, basements, or greenhouses, with consistent data and no electronic interference. - Equipped with a clear 3.1x2.7 inches display, this analog hygrometer thermometer features large, easy-to-read numbers and color-coded zones to instantly determine comfort level and guide ventilation or moisture control. - Designed for convenience, this lightweight monitor mounts on walls or sits upright on shelves, offering versatile placement in planting areas, storage cabinets, or enclosed rooms with limited airflow where readings matter most. - Constructed from safe materials, the sturdy frame and transparent lens provide visual clarity while resisting wear and environmental effects, suitable for damp zones like bathrooms, laundry rooms, or basements. - Use scenarios: in a greenhouse to monitor temperature and humidity and adjust irrigation and airflow; in a bathroom or laundry room to track moisture and reduce mold risk; in a closet or basement storage area to maintain appropriate humidity for stored items.