Enhance your Blackvue DR970X-2CH Plus dash camera's video quality with this specialized CPL (Circular Polarizing Lens) filter from TILLMANER. Custom-designed for both front and rear cameras, this filter effectively reduces glare and reflections from non-metallic surfaces like your vehicle's dashboard and windshield. The CPL filter helps achieve clearer footage by increasing color saturation and improving overall image clarity, especially in bright daylight conditions. The package includes a convenient polarized tester card to help you verify the filter's effectiveness. The precision-engineered black aluminum construction ensures durability while protecting your dash cam's valuable lens. The filter features a smooth rotating mechanism for easy adjustment of the polarizing effect. This essential dash cam accessory helps capture more professional-looking footage while providing an extra layer of protection for your camera's lens. Compatible exclusively with the Blackvue DR970X-2CH Plus dash camera model.