Cranes operation in windy conditions could create a potentially dangerous situation. The wind forces imposed on both the crane and the load, which can affect the strength and stability of the cranes. In order to ensure everyones safety during lifting operations, it is very important for the members in the lifting team to know the wind speed and resistance. The challenge to know the wind speed is the connection between sensor and display. Traditional cable solution wouldnt work well. Scarlet Wireless Anemometer Series provide elegant solutions ranges from the standard display (WR-3), data-logger (WL-11) and full-fledged wireless alarm system (WL-410).Packaging Details: Model XB is with high sensitivity transceiver to extend transmission range. Also, Bluetooth LE was built-in to enable the connectivity to Smartphone. Also, Bluetooth LE was built-in to enable the connectivity to Smartphone. Model with 4-20 mA output module provide more flexibility for user to build the instrument into the working infrastructure.