1. CPL Polarizer for 70mai A810 Dashcam 2. Say Goodbye to Glare and Blur The CPL (Circular Polarizer) filter works by utilizing the polarization properties of light. It consists of two lenses, one fixed and one rotatable. As natural light (including light waves vibrating in various directions) passes through the filter, some of the polarized light vibrating in a specific direction is filtered out. 3. Eliminate Reflections and Reject Glare No color cast and clearer images! Effectively eliminates light waves vibrating in different directions, resulting in clearer images! 4. Embedded Installation with Silicone Anti-Slip Strip Design Convenient one-step installation with precise anti-slip medical-grade silicone grip. No matter how bumpy or shaky the ride, it stays as stable as a mountain! 5. Oleophobic and Waterproof Coating for High Protection and Easy Cleaning Simply wipe clean to keep the lens surface pristine, maintaining its clarity for a long time. Applicable Models: For 70mai A810 dashcam Color: Black Material: CPL Weight per set: 50g Packaging: Carton Packaging Contents per set: Filter x 1