... rotationAzimuth:0-270°Max anti-wind speed40m/s, wind sensor(optional)Mechanical lifeabout 25 yearsMaterialsHot-dipped galvanized steelCertificatesISO9001, CEpv ... include pv panelsProtection Wind resistance,Auto reset(through wind sensor)Functions Auto tracking,Auto reset,Check,Manual control Pay ... a unified package. 4. Our Supporting Leg and Wind Sensor is an optional item. Our price not include these ...