Precise Temperature and Humidity Measurement: With a temperature measurement accuracy of ±2 degrees Fahrenheit and ±2% moisture measurement accuracy (Relative Moisture), this thermometer provides reliable readings in different environments. Whether you use them indoors or outdoors, you can trust their exact measurements within a reasonable range. Engineered for accuracy, it provides temperature readings with a tolerance of ±2°F and relative humidity measurements with an accuracy of ±2%, ensuring dependable data across various settings, whether inside or outside. This wall-mounted analog thermometer offers precise temperature measurement in both Celsius and Fahrenheit (℃ / ℉), making it ideal for monitoring environmental conditions indoors and outdoors with reliable dual readings. HIGH QUALITY MATERIAL: This Thermometer kit is made of durable high quality plastic and is resistant to deformation. They're free of toxins, ensuring safety and reliability during use. The material provides long lasting durability, making it ideal for a variety of environments where strong equipment is needed to accurately monitor temperature. Designed for easy installation, the thermometer features a sturdy mechanical structure with convenient hooks for quick setup on walls or surfaces, which enhances durability and reduces maintenance needs over time.