by high precision, range wide, input line higher electrical resistance, observation convenient, ... voltage: DC24V/DC12V/DC5VResponse time :< 1 STransmission distance : > 1kmMeasurement range :0 ~ 5 M/S, 0 ~ 30 M/S, 0 ... RS485 communication output or RS232 output FC-2A wind speed sensor is construction machinery (cranes, crawler cranes, door and ... breeding, etc to be used to measure wind speed sensor.