The model is optimized by Sunlu for outdoor enthusiasts, this case transforms engineering filament toughness into real-world protection—lighter than commercial plastic cases yet more durable. Product Highlights: ✅ Designed for Outdoor Adventures – A lightweight protective case compatible with DJI Action 4, enabling quick mounting and removal for hands-free filming during hiking, trekking, and cycling. ✅ Dual Mounting Modes –Backpack Strap Clip: Professional buckle design securely attaches to backpack/sling bag webbing, staying firm even during intense movement. Adjustable Stand: Built-in adjustable stand allows stable filming on flat surfaces or angled mounts. ✅ Sunlu's Engineering Filament – 3D-printed with Easy PA high-performance engineering filament, offering high impact resistance, high temperature resistance, and excellent durability against outdoor elements. Ideal Scenarios: 🏔 First-person mountaineering footage | 🚴 Hands-free cycling/running tracking | 🎒 Vloggers’ on-the-go filming Recommended Printing Parameters: Temperature: Nozzle: 270–280 degrees Celsius; Build plate: 30–50 degrees Celsius (apply adhesive). Speed: 100–150 mm/s. Supports: Tree (manual); Organic style. Note: Fits standard 1–1.5-inch-wide backpack straps; buckle tightness is manually adjustable. Accessory Note: The package includes a spare ball joint rotator. If the rotating joint becomes loose, you may replace it with a larger-sized ball head to enhance structural stability.