A7 Multi-functional Indoor Weather Station -20 Degree C - 50 Degree C Humidity Hygrometer Thermometer Home Temperature Meter, Random Color Delivery

1. Material: ABS PC
2. Product size: 75*75*13mm
3. Temperature range: -20 degree C to 50 degree C
4. Humidity measurement range: 10%-90% RH
5. Temperature measurement error: =< +/-1 degree C (-20-50 degree C)
6. Humidity error: =< +/-5%RH (40%-75%RH), =< +/-7%RH (25%-40%RH), =< +/-9%RH(other)
7. The thermometer is a mechanical thermometer. It is automatically sensed after being placed in an environment for a while. No adjustment is required.
8. Power by AAA battery (not included)