1. Automatic locking, 1 second to take and put 2. Metal gravity linkage bracket, quiet and convenient 3. Double lock, firm and stable 4. Liquid silicone clamp to protect the air outlet blades 5. Universal roller design, you can adjust the direction freely 6. Stepped silicone clamp arm, stable and scratch-resistant 7. Compact size, does not block the air outlet 8. Suitable for most horizontal/vertical/circular/oblique air outlets 9. Material: metal 10. Weight: about 130g 11. Note: Only the bracket is shipped, no other items!