1. Expansion can be converted back and forth, the adapter forward to view the screen, the adapter backward to connect the backpack clip 2. Simple loading and unloading, easy to use 3. The whole circle is surrounded by environmentally friendly sponge to avoid scratching the machine 4. Good toughness, high strength, and not easy to break 5. The internal structure of the backpack clip is cleverly designed, no need to unscrew the screws, directly force to break the turn, can be rotated 360 degrees 6. Note: The product only contains the extension bracket accessories, does not contain the demo drone and other items
