● Designed specifically for Insta360 X4 camera lens, fine workmanship and exquisite appearance, fit the camera lens seamlessly. Adopt rotary mounting, easy to install and dismantle ● Optical tempered glass, hardness of 9H, optical tempered glass material, ten times harder than plastic protective mirror plastic surface hardness is generally 1H, tempered glass can reach 9H or > 9H! ● Glass lens material transmittance close to 92%, AR coating layer, so that the lens transmittance increased to 98% or more! ● The glass lens is coated with waterproof film layer, the drip angle reaches 115 degrees, the lens surface does not residual water droplets affect the shooting effect ● This Protective mirror is light weighted, do not increase the burden to your camera, easy to carry, protect your camera lens but will not take up too much space when you put your camera in a bag with this lens cover on. ● Product Description: PC material and glass material can be selected. No longer afraid of scratching, more durable than plastic protective mirror, better light transmission. Product parameters: Product net weight: 4.2g Product size: 36mm*36mm*13mm Package size: L10.6cm*W9cm*H2.8cm Product list: Protective mirror *2 Instruction manual *1 Alcohol cotton *1 Rotating bracket *1