1. Temperature measurement range: -20 to 80 degrees Celsius 2. Humidity range: 0-100%RH 3. Temperature error: 0.1Lux 4. Temperature and humidity test: +-0.5 degrees Celsius 5. Humidity error: +-3%RH 6. Power supply: 3xAAA alkaline batteries (not included in this product) 7. Suitable for laboratories, quality control, air conditioning systems and printing engineering, etc.
