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 andoutdoor 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+plasticcolour: blackPackage Contents:1 x PT201C Weather Station 1 x Outside Sensor1 x USB to DC CableOnly 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.