Ecowitt WS68 Wireless Soloar Powered Anemometer Wind Gauge measures wind direction, wind speed, wind gust, UV & light . The data can be received by the GW1000 Wi-Fi Gateway(sold separately) and can be viewed using the WS View mobile application (after Wi-Fi configuration on the gateway has been completed).FeaturesMeasures wind direction, wind speed, wind gust, UV & light data.No display, need to work with GW1000 WIFI gateway to complete the WIFI configuration on our WS View App.After the WIFI configuration, the live wind, UV & light data can be viewed directly on the WS View App.Supports uploads to WU/WeatherCloud/WOW. The history graph of your WU station ID can be viewed on the WU Dashboard on the WS View App.Wind and UV & light sensor calibration functions available on the WS View App.Works with HP3501 Weather Station display console(sold separately). The outdoor sensor and display console should be at the same frequency.All the history records can be view and downloaded after uploading data to our own weather serverNote: The stainless steel pole on the photo is not includedSpecificationTransmissiondistance in open field: 100m(300 feet)Frequency:915MhzWind speed range: 0 - 50 m/s (0 ~ 100 mph)Wind speed accuracy: ± 1 m/s (speed < 5 m/s);± 10% (speed ? 5 m/s), or ± 0.1 mph (speed < 11 mph); ± 10% (speed ? 11 mph)UV-Index range: 0 - 15Light range: 0 - 120 kLuxLight accuracy: ± 15%Sensor reporting interval: 16.5 secondsPowerconsumptionSolar panel (built-in): 6.5V/4mABackup Power: 1 x AA 1.5V LR6 Alkaline (not included), or 1 x AA 1.5V Lithium battery (not included)Package Included:One Wireless Anemometer(NO Display Console)One User Manual