This BED-18-30 red-dot sight is a 30-mm tube red-dot sight. Very compact and lightweight tube type red-dot sight. Only 105mm length and 131 g weight. Brightness of the red dot can be adjusted with a 7-stage intensity adjustment switch. We have a forty-year experience in production of high precision optical sights; red-dot sight and riflescopes. All products that we manufacture consist of Japanese parts, even a small screw. We have been offering our high quality products to a global market, and receiving great appreciation from users. We have good capacity to fulfill client’s requirement to develop any types of red-dot sights and riflescopes.