Mini Electronic Pet Temperature And Humidity Meter Highly Precise Temperature And Humidity Meter For Home Use 1. Operation method: irrelevant machine function; celsius degrees without switching temperature unit 2. The product can be used to measure temperature, measure humidity 3. Can be placed hanging magnetic placement, with double-sided adhesive stickers 4. Mini size, small and exquisite 5. High-precision movement to measure more accurately 6. Built-in high-precision temperature and humidity sensors, to a higher standard of strict control, at any time to sense changes in the environment Parameters: 1. Material: ABS 2. Function: Indoor temperature and humidity, comfort level display 3. Temperature measurement range: -20-60 degrees celsius (-4-140 degrees fahrenheit) 4. Temperature measurement accuracy: error about 1 degree celsius (1.8 degree fahrenheit) 5. Temperature resolution: 0.1 degree celsius (0.2 degreefahrenheit) 6. Humidity range: 10 percent RH-99RH 7. Humidity measurement accuracy: tolerance of about 5 percent RH 8. Humidity resolution: 1 percent 9. Battery: 3V CR2032 button battery 10. Product size: 45 x 45 x 13mm, display size: 30 x 30mm 11. Weight: 22g