【Special Design For Insta360x4】The combination product perfectly fits the Insta360x4 camera frame to achieve seamless installation and precise accuracy.To provide more protection for the camera. 【Product Instructions】Correctly distinguish between the front and back sides of the lens protective film: the thinner one is placed on the side with the camera screen, while the thicker one is placed on the opposite side. Attach the lens protective cover (with double-sided adhesive) to the X4 lens, aligning the notch on the edge of the lens protective cover with the edge of the lens for 15 seconds, otherwise it may have a negative impact on the shooting effect or splash prevention effect. 【Lens Protection】The Lens Guard protects your Insta360x4 lenses from dust and scratches, and it sticks directly onto the lens for easy application and provides great protection. 【Package List】Insta360x4 Front lens protective film x1;Rear lens protective film x1. 【LIFE-TIME WARRANTY】Life-time warranty from FitStill and 90 Days money back guarantee.