1. Compatible Model: This lens protector and screen protector is specially designed for Insta 360 X4 action cameras. 2. Lens Protection: The lens protector shields your Insta360 X4 lenses from dust and scratches. It adheres directly to the lens for easy application and delivers protection. 3. Easy to Use: Ensure you distinguish the front and back of the Insta 360 X4 lens protector. Install the thinnest protector on the side with the camera screen. Carefully align the notch at the edge of the cover with the lens and hold it for 15 seconds to ensure a secure attachment. Repeat the process for both sides. 4. 9H Hardness AntiScratch: The 9H hardness screen protector effectively safeguards your Insta 360 X4 screen against scratches, scuffs, dust, fingerprints, and bumps. It offers 99% ultraclear definition vision. With a superthin thickness of 0.30 mm, it ensures sensitive tactile feedback, fast responsiveness, and the ultimate gaming experience.