Feature 1The display screen can display wind speed, wind direction, rainfall, indoor/outdoor temperature and humidity trends. 2Support calendar, clock display, alarm clock, automatic time calibration, wireless 433MHz, temperature and humidity display, independent low alarm. 3Support the pressure change trend, the pressure trend is a 24 hour change trend. The weather forecast indicates four states: sunny, cloudy, overcast sky, and rainy. 4Low battery power display prompt function, IPX3 waterproof level, protect your instrument and prolong its service life. 5Small size and light weight, it is made of high quality materials, has a long service life, high probe sensitivity, stability and reliability.Item Type: Solar Weather Forecast Material: ABSColor: As shown in the pictureProduct Size: Approx. 18x12x2.8cm / 7.1x4.7x1.1inWeight: Approx. 1699g / 59.9ozDisplay Battery: AA battery 1.5Vx3 (not included)Transmitter Battery: AA battery 1.5Vx2 (not included)Receiver:Temperature Range: 0 to 60 (-40 to 140)Temperature Resolution: 2Humidity Range: 20%~99%Humidity Resolution: 5% (condition: temperature 25 and humidity 50%)Pressure Range: 300~1100hpaPressure Resolution: 3hpaData Update: 40S/time.Alarm: 2 minutes durationWorking Temperature: 0-60 (32-140)Low Voltage Detection: the battery icon flashes (the battery voltage is lower than 3.0V), (the battery voltage is higher than 3.0V)External DC Power Supply (not included the USB cable): 5V/500MATransmitter:Working Temperature -40~60 (-40~140)Low Voltage Detection: the battery icon flashes (the battery voltage is lower than 2.4 V)Temperature Range: -40~60 (-40~140)Temperature Resolution: 2Humidity Range: 20%-99%Humidity Resolution: 5% (condition temperature 25 and humidity 50%)Wind Speed Range: 0-50m/sWind Speed Resolution: 0.1 m/sRainfall Range: 0-9999 mmRainfall Resolution: 0.4mm (rainfull<1000 mm) I mm (rainfull>1000 mm)Data Transmission: 40 seconds/timeWaterproof Rating: IPX3 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Weather Instruments Display Screen(Battery Not Included)1 x Set of Weather Instruments(9pcs Parts)(Battery Not Included)1 x Screw Accessory Kit(23pcs Parts)1 x English ManualNote1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.