... -270°, vertical: 0-75°Max anti-wind speed40m/s, wind sensor(optional)Mechanical lifeabout 25 yearsMaterialsHot-dipped galvanized steelCertificatesISO9001, CEpv panel ... include pv panelsProtection Wind resistance,Auto reset(through wind sensor)Functions Auto tracking,Auto reset,Check,Manual control Pay attention:1. the ... , please tell us before determine the order. biggest 1-axis solar tracking system