led temperature display

specifications:
1.) Temperature-measure range: -10°C - 50°C.

2.) Temperature-measure precision optional: +/-1 degree.
3.) Humidity-measure range: 10% - 90%RH.
4.) Humidity-measure precision: +/-3% or 5% RH.
5.) Power supply: AC 110- 240.
6.) Operation Environment: Temperature: -10°C - 50°C; relative humidity:0
- 95%.