Tactical open red dot sight with a diagonal of 30 mm from Strike. The red dot is fully adjustable and it is possible to use seven lighting intensities red reticle patterns. These patterns can be easily and quickly changed according to user needs for those variations: small dot, dot, cross, circle with a dot. Thanks to the integrated assembly it can easily be placed on ordinarily RIS rails (20-22 mm). Included a protective rubber cover on the front of the scope. For proper function requires one button battery 3V CR 2032, which isn't included.