We not only supply photometric testing equipment but also provide our services at various airports for photometric testing required at all CAT 1, CAT 2, and CAT 3 airports in India. As understood CAT 3 aiports require more frequent testing of the Airport Ground Lights, and CAT 2 aiports requires 2 times only in a year. Our products are of course are certified by EASA and conform to the standards of ICAO and FAA.