Key Specifications/Special Features: ANPR/ALPR filter (day/night), also day/night strong light attenuation filter Attenuation strong light filter coatings 850nm for ANPR/ALPR cameras It effectively reduces glare Used car license plates at night exposure License plate filter can replace the day/night (IR cut off filter) mechanical exchanger Their effect is similar License plate filter is easier to install and use IR cut filter during day, strong light attenuation during night With day visible light and night vision film Suitable for CCD cameras (day/night camera) CCD camera filter sizes: 1/3: 8.8 x 8.2 x 3.08mm thickness Available in different sizes according to customer's requirements