Battery wall mounted thermometer and hygrometer in a compact 57*57*13mm aluminum housing. No batteries needed, enabling continuous monitoring in spaces from greenhouses to refrigerators. Accurate temperature readings from 20 to +120°F with ±1°C accuracy. Realtime tracking of current, , and low temperatures for precise climate control in homes, cars, or pottery studios. Flexible placement options with a wall hole for secure mounting or tabletop use. Suitable for walls, doors, freezers, and other surfaces, while maintaining a sleek aluminum dial and glass mirror display. Humidity monitoring from 0100% RH with 1% resolution. Provides reliable data for environments where moisture control matters, such as greenhouses or indoor spaces needing climate management. Use scenarios In a greenhouse to monitor temperature and humidity for stable plant conditions and optimized growth. In a refrigerator or vehicle to detect temperature changes and prevent spoilage or discomfort. In a pottery studio or similar workspace to maintain consistent climate during ceramics work and drying processes.