1. Temperature range: -40 – 80 degrees Celsius / -40 – 176 degrees Fahrenheit; accuracy: about 0.5 degrees Celsius / about 1 degree Fahrenheit
2. Humidity range: 0-100% RH; accuracy: about 3% RH (10-90% RH) / about 5% RH (other ranges)
3. Sensor: SHTC3
4. Sampling rate: 10 times/s
5. Update speed: 3 times/s
6. Recording length: open record from REC, display up to 99 hours
7. Data storage: TA622A: 8000, TA622B: 4000
8. USB computer communication: TA622B has real-time measurement records + host record data upload
9. Automatic shutdown: 15 minutes (can be manually shut down)
10. Operating environment: -10 – 50 degrees Celsius, within 80% relative humidity, indoor altitude less than 2000m
11. Storage environment: -10 – 50 degrees Celsius, within 70% relative humidity (remove the battery)
12. Power supply: 3 x 1.5VAA (LRO6) batteries (not included) / USB micro interface 5V
13. Display size: about 5.3 x 4.4c