1. High light transmittance PC, with a transmittance of up to 99 percent , clear from inside to outside, restores the real picture of the seabed 2. Heavy sealing, factory pressure test, high elastic sealing rubber ring, no leakage, one-step 3. Adopts the lock form, sturdy and lasting, and you dont have to worry about the lock popping up and breaking the camera during extreme sports 4. The lens part is optical tempered glass, with high light transmittance, restoring every picture 5. The optical tempered glass lens not only provides protection, but also has dustproof, anti-fingerprint and anti-scratch functions, which can keep the lens clean and transparent Material: PC and tempered glass Applicable model: For Insta360 Ace Pro 2 Packing method: boxed Single set gross weight: 150g Single set includes: diving shellx1 basex1 stainless steel screwx1 anti-fog cottonx1 cotton clothx1 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.