Product description
2. The opening size is 41mm in diameter (the measurement has a small error)
3. Overall diameter 45.2mm (the measurement has a small error)
5. Humidity measurement range 10%~99%
6. Humidity display resolution 1%
7. The humidity sampling cycle is 10 seconds (1 minute)
8. Humidity measurement accuracy ±5%
9. Rated voltage DC1.5v (1 LR44 button battery)(not included)
10. Temperature measurement range -50 to 70
11. Temperature measurement accuracy ±1 degree (under normal temperature)
Flip to the back of this product;
Push open the battery cover in the direction indicated by the arrow Pi;
Put two LR44 button batteries into the battery slot