Model Number: RT817MAH Key Specifications/Special Features: RT817MAH: Jumbo display min-max alarm thermometerRT817MAHE (with external temperature and humidity display)SpecificationMeasurement range:Temp: 0～50°C/32～122°FHumidity: 20～95% RH in

15～50°C/59～122°Frange

25～95% RH in

5～50°C /41～-122°Frange

30～95% RH in

0～50°C /32～-122°Frange

Display accuracy:

• Temp: ±1°C/±2°F
• Humidity: ±5% over full range

Display resolution:

• Temp: 0.1°over full range
• Humidity: 1%

Alarm setting resolution:

• Temp: 1°C/1.8°F
• Humidity: 1%

Display size: 79(W) x66 (H) mm
Display reading update: 10 seconds
Product size: 98(W) x 110(H) x21(D) mm
Battery: 1.5 volt, type AAA or equivalent x 1pc