CK-11 Electronic Hygrometer Thermometer digital Display

The product is packaged in a white box with no words. Neutral packing
1. Function overview:
1.LCD display
2. Dimensions 48*28.6*15.2mm (measurement has small error)
3. LCD size: 35.7*16.8mm (measurement has small error)
4. Weight: 25 grams (without battery)
5. Humidity display
6. Humidity measurement range 10% to 99%
7. Humidity display resolution 1%
8. Humidity sampling period 10 seconds (1 minute)
9. Humidity measurement accuracy ± 5%
10. Rated voltage DC1.5v (2 AG13 button batteries)
11. Temperature measurement range -50 to 70
12. Temperature measurement accuracy ± 1 degree (at normal temperature)
2. Battery installation
? Flip to the back of the product;
? Push the battery cover in the direction indicated by the arrow;
? Put two LR44 button batteries into the battery compartment