The CPL filter can be used to reduce glare and improve colour production. It clips over the lens housing and the lens can be rotated to best suit the camera's mounting position in the vehicle. (Dash cam not included). This CPL filter is compatible with the A118C2/A119/A119S/A119 PRO/A119 V3/A119 V2/A129 DUO, A129 IR, A129 Pro Duo, including the A129 Duo and the A129 Pro Duo rear cameras.
It is not compatible with VIOFO A129 IR rear camera.