Large, easy-to-read display: 10-inch ultra-large digital screen shows indoor and outdoor temperature and humidity at a glance. The oversized digits improve visibility for seniors and people with impaired vision, reducing eye strain and making monitoring simple. Battery-free, energy-saving operation: designed to work without batteries by using advanced wireless sensing technology. Stable and durable performance minimizes maintenance and eliminates frequent battery replacement. Weatherproof, reliable measurements: waterproof and dustproof construction lets you place the unit indoors or outdoors (balcony, garden, porch) without worry. Accurate environmental readings in sun or rain help you respond to changing conditions. Simple wall-mounted installation: mounts easily for secure placement on walls. The slim profile functions as a practical thermometer and hygrometer while also providing a clean, unobtrusive decorative element for home or garden spaces. Key attributes: Function: simultaneous indoor and outdoor temperature and humidity display. Size: 10-inch ultra-large screen for clear visibility. Performance: durable, stable wireless sensing; energy-efficient, no batteries required. Material/Protection: waterproof and dustproof design suitable for varied environments. Compatibility: intended for home, balcony, garden, office or similar indoor/outdoor settings. Practical use scenarios: Home care: Mount in the living room or bedroom to help seniors or family members quickly check indoor comfort and outdoor conditions before going out. Plant care and gardening: Place on a balcony or near a greenhouse to monitor humidity and temperature for plants, protecting sensitive species from extreme conditions. Entryway or porch: Install near the door to get an immediate read on outside weather and indoor comfort before leaving the house. What you get: A low-maintenance, easy-to-read thermometer and hygrometer that combines large-format visibility with weatherproof durability and energy-saving, battery-free operation—ideal for any indoor or outdoor space where clear, reliable environmental information matters.