Install THINKWARE Circular Polarising Filter CPLFLTR to your THINKWARE dash cam to eliminate lens flares, light reflections and windshield glares and see the quality of your video recordings improve significantly even during the nighttime. Using the guide points located on CPLFLTR, you can mount this on any THINKWARE dash cam model for enhanced colour clarity and better light exposure.
Features: 
Compatible with all THINKWARE dash cams, front and rear
Windshield glare eliminator
Reduces light reflections
Overexposed footage correction
Enhanced colour saturation and clarity
Korean Made reliability with 1-Year Warranty
Specs: 
COMPATIBLE WITH: ALL THINKWARE DASH CAMS & REAR CAMS (EXCLUDING F100WP)
DIAMETER: 14.5mm