Range: -20 ℃ -85 ℃, 0-100% RH

Accuracy: ＜ ± 0.5 ℃ (0-50 ℃),

＜±3%RH (at 23℃，25—90%R)

Long term stability:<0.1 ℃/5 years,<1% RH/5 years

Response time: less than 1 second

Output: RS485

Power supply: 12VDC

Storage environment: -40 ℃ -90 ℃, 0-95% RH (non condensing)