Features: 1.Calendar. Optional time display mode: 12/24 hours. alarm mode: alarms can be set separately for weekdays and weekends. 2.Snooze alarm clock: the interval can be adjusted .Moon phase.Temperature and humidity,trend of temperature and humidity. 3.Trend of atmospheric pressure. Pressure measurement range: 600 /mb~1100 /mb.Humidity: indoor and outdoor sensor measurement range: 10% RH ~ 99% RH. 4. Display of minimum and maximum temperature and humidity.Both and outdoor remote sensor can be wall-mounted or placed on a desktop.Radio frequency emission frequency of signal sensor: 433.92MHz. 5.Weather forecast. Low voltage reminder function. Temperature alarm. Daylight saving time. Temperature (℃ or ℉ can be switched). Indoor weather station : Temperature measurement range: 0℃ ~ 60℃(32℉ ~ 140℉), temperature measurement resolution: 0.1℃ (32.18℉). Outdoor remote sensor: Temperature measurement range:-40℃ ~ 60 ℃ (- 40℉ ~ 140℉). Temperature measurement resolution: 0.1℃(32.18℉); indoor and outdoor humidity measurement range: 10%-99% RH. Humidity measurement resolution: 1%. Operating temperature: 0 ~ 50℃(32 ~ 122℉); operating humidity: 20 ~ 90% RH; storage temperature: -20 ~ 70℃ (- 4℉ ~ 158℉); storage humidity :15 ~ 95% RH. A signal receiving weather station can be connected with up to 3 signal sensors at the same time, and the temperature and humidity data of each sensor will be automatically looped on screen. If you have only 1 remote sensor, set and the remote sensor in the same channel and turn off the automatic channel change function. NOTE:Only 1 remote sensor is included in the package. If you need more remote sensors, contact us to Weather station: USB or Battery:3*1.5V AAA(Not Included) Remote sensor: Battery:2*1.5V AAA(Not Included) Material: ABS+plastic colour: black Package Contents: 1 x PT201C Weather Station 1 x Outside Sensor 1 x USB to DC Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 5.Weather forecast. Low voltage reminder function. Temperature alarm. Daylight saving time. 4. Display of minimum and maximum temperature and humidity.Both and outdoor remote sensor can be wall-mounted or placed on a desktop.Radio frequency emission frequency of signal sensor: 433.92MHz. Features: 1.Calendar. Optional time display mode: 12/24 hours.Personalized alarm mode: alarms can be set separately for weekdays and weekends. 3.Trend of atmospheric pressure. Pressure measurement range: 600 /mb~1100 /mb.Humidity: indoor and outdoor sensor measurement range: 10% RH ~ 99% RH. 2.Snooze alarm clock: the interval can be adjusted .Moon phase.Temperature and humidity,trend of temperature and humidity.