Riko Airsoft also got the xFORCEX XFR01 Red Dot Sight to check it out for airsoft user. With red colour illuminatiom, it has 10 levels of brightness and a matte surface. It can be solar powered if you the CR2032 battery runs out of juice. Included in the package are a killflash and lens caps... "This red dot XFR01 amazed me from various points of view, I like the design and I find it has interesting functions, such as the possibility of being able to adjust it in height and to be able to operate it even without batteries."