Measurement Range:

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

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

Humidity:   20～99% RH

Time:          12 / 24 hours

Display Accuracy:

Temp:         ±1°C / ±1.8°F

Humidity:   ± 5%

Time:           ±1 second per day

Display Size:

37 (W) x 37 (H) mm

Display Resolution:

Temp:         0.1° over full range

Humidity:   1%

Time:           1 minute

Ice Point Alert:

Outdoor reading ≤ 0°C/ 32°F (for RT811CE only)

Alarm Snooze:

5 times

Product Size:

65 (W) x 97 (H) x 20 (D) mm

Battery:

1.5 volt, type AAA or equivalent x 1pc (included)