【Fully Compatible with VIOFO A229/A139/A139Pro/T130/WM1 Front Camera】 This CPL filter is customized to be compatible with VIOFO A229 A139 A139Pro T130 WM1 dashcam front cameras to ensure perfect compatibility. It focuses on front camera adaptation, enabling users to install it easily | 【Reduce Reflections from Non Metallic Surfaces】 The circular polarizing filter minimizes reflections from car windows, water, and smooth surfaces, similar to a polarized filter. It reduces unwanted light interference and helps address glare issues from a dash cam, making road signs, license plates, and other details clearer for more reliable recordings in various lighting conditions | 【Enhance Color Saturation in Video Recording】 By increasing the color saturation of images, circular polarising filters make the colors in the scene more vibrant and natural. This feature is particularly useful for capturing changing weather conditions or landscapes, adding depth and detail to the footage | 【Multi Coated Optical Glass】 The multi layer coating technology effectively reduces optical aberrations and prevents light scattering, resulting in clearer images. The high quality optical glass also enhances the filter's durability, ensuring stable performance and consistent image quality over time | 【Robust and Lightweight Frame】 The circular polariser filter's frame is made of high quality aluminum alloy, a material that is not only strong and long lasting but also lightweight and easy to install. The aluminum alloy frame design ensures that the filter does not add an extra weight burden during use while also providing long lasting stability