Perpetual Calendar Up to Year 2099 Day of week in 7 languages selectable: English, , Italian, French, Spanish, Netherlands and Danish Two daily alarms,Automatic snooze function (OFF or 5-60min) Temperature:Indoor temperature measurement ranges:0C (32F) to 50C (122F)Outdoor temperature measurement ranges: -40C (-40F) to70C (158F) Humidity:Indoor and outdoor humidity measurement ranges: 20 percent to 95 percent Model Number:PT3390A Air pressure:Air pressure range: 600 to 1100 (17.72 to 32.48 inHg or 450 to 825.1 mmHg) Rain:Rain range:0 to 9999mm (0-393.6 inches) Wind: Wind speed range:0 to 180 km/h (0 to ) Wind direction range:0 to 359 degrees Wireless Outdoor Sensor:433.92MHz RF transmitting frequency 100 meters (300 feet) transmission range in an open area, not including walls or floors. Record of temperature, humidity, wind speed and rainfall Alert of temperature, humidity, wind speed, rainfall Display of feels like temperature, wind temperature, heat , dew point temperature The weather forecasting function Level 3 display backlight USB charging function Power Adapter:DC5V1.2A Indoor Receiver: Power Suplly:2 x LR6 AA 1.5V(Not Included) Remote Sensor: Power Suplly:3 x LR6 AA 1.5V(Not Included) The wireless remote sensor can work at -30C to and70C. choose the right battery according to the limit temperature of the wireless sensor: Alkaline zinc manganese battery can work at -20C to and60C Polymer lithium ion rechargeable battery can work at -40C to and70C. Plug Type:EU Plug,it applies to Indonesia, Germany, , , Italy and so on. Voltage:AC100-240V Colour:Black and White Material:ABS Package Contents: 1 x Indoor Receiver 1 x Remote Sensor 1 x 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.