Holykell RS485 and 4-20mA Wind Monitor with Wind Direction Sensor. Multi-Protocol Output: Supports Pulse Signal, 0-5VDC, 4-20mA, and RS485 Modbus-RTU outputs. Wide Voltage Range: Operates on 7V to 24V DC with low power consumption. Robust Construction: Full aluminum shell with 304 SST vane for corrosion resistance. IP65 Waterproof: Ingress protection rating ensures reliable outdoor performance. Anti-Interference: Advanced anti-electromagnetic interference treatment for stable data. Flexible Customization: Offers full, minor, and design-based customization options. Fast Lead Time: Peak and off-peak season lead times are within 15 workdays.