The Dometic Sunchaser provides qualities which RVers have trusted for years. Patented travel lock latches give peace of mind while you're on the move, while the patented rafter lock system stabilizes the awning and provides automatic fabric tensioning. The ergonomically designed lock knobs ensure easy operation, partially or fully extend the awning up to 8' in either carport or patio positions. A positive cam lock system prevents roll-back for easy one-person operation. The Sunchaser's single-sided vinyl fabric resists fading, staining and scratching and has UV protection. This highly reliable, manual awning available in sizes from 8' to 21'.