70mai CPL1 Polarizing Filter for Dashcams CPL Filter for Color Reflection Scratch and Dirt Protection Compatible with Dashcams - Enhancement,

70mai CPL Polarizing Filter for Dashcams [How to Use] First, insert the CPL1 polarizing filter into the lens of the dashcam, then turn on the dashcam. Next, slowly rotate the outer ring of the CPL1 to adjust the clarity of the display screen. [Important Note] Installing the CPL1 will slightly reduce the brightness of the dashcam's recording screen. Also, please do not touch the film portion of the polarizing filter, as this may reduce its effectiveness. 70mai CPL Polarizing Filter for Dashcams