Description: Professional wireless weather station, with back support for standing Calendar, 12 or 24-hour time display, automatic adjustment daylight saving time Wind speed and direction, wind chill and dew point temperature, rainfall display (mm/ inch) Weather forecast icons: Sunshine, bright, rain, cloudy, cloudy, snowy, stormy (Weather alarm warning for 2 mins) With high accuracy, very useful for home, office, outdoor activities, etc. Specification: Frequency: Wireless 433 MHz Receiving distance: 100m/ 328ft Indoor/ outdoor humidity: 20-99%, accuracy: 5% Indoor temperature: 0 to +50 degrees Celsius, accuracy: 1 degrees Celsius Outdoor temperature: -40 to +60 degrees Celsius, accuracy: 1 degrees Celsius Indoor/ outdoor low-voltage detect Barometric pressure (mm/ mercury column) Pressure range: 750hpa to 1100hpa Green backlight Rain gauge cable length: 80cm/ 2.62ft Wind direction device cable length: 50cm/ 1.64ft Power consumption: Receiver: 3 x AA Batteries (Not Included) or DC 5V 100ma Transmitter: 2 x AA Batteries (Not Included) Material: ABS Weather Station Color: Black Weather Station Size: Approx. 22.5 x 16cm/ 8.86 x 6.3inch Plug Type: AU Plug Package Includes: 1 Piece of Weather Station (Receiver) 1 Piece of Stainless Steel Tube 1 Piece of Rain Gauge Cable (80cm) 1 Piece of Rain Gauge Accessory 1 Piece of Wind Sensor Cable (50cm) 1 Piece of Transmitter 1 Piece of Transmitter Accessory 1 Piece of Waterproof Tower 1 Piece of Base 1 Set of Screws Note: The color may have different as the difference display, pls understand. Please allow 1-3mm error due to hand test.