Measurement Range:

Temp:        0～50°C / 32～122°F    (Indoor)

                   -50～70°C / -58～158°F  (Outdoor)

Humidity:  20～99% RH

Display Accuracy:

Temp:        ± 1°C / ± 1.8°F

Humidity:  ± 3%

Display Resolution:

Temp:         0.1° over full range

Humidity:  1%

Display Size:

79(W) x 66(H) mm

Display Reading Update:

10 seconds

Temp reading update:

1 second

Ice Point Alert:

External reading ≤ 0°C/ 32°F (for RT811E only)

Product Size:

98(W) x 110(H) x 21(D) mm

Battery:

1.5 volt, type AAA or equivalent x 2pcs (included)