SDI motor, power range 1.6-2.5KW, 220v/50Hz, IP 55 equipped with high-efficiency bass reducer, strong braking torque, and long service life. The motor is replaced free of charge for life. The patternless galvanized sheet is 1.5-2.0mm thick with a Plato PVC double layer coating base, with a thickness of 0.8-1.0mm and a transparent window with a thickness of 1.5-2.0mm. The thickness has a high wear resistance coefficient and a white gray color. It can withstand temperatures between -30-70 degrees Celsius, and both sides of the track are sealed with bristles, effectively preventing dust and insects. Achieve good sealing and wind resistance effects.