Small and compat red&green dot sight which you can easily attach to rifles, smg and pistols as well. You can adjust the brigthness steplessly from red to green as well as get the horizontal and vertical allignment. Lenses have an anti scracth and reflect coating.
The sight comes with integrated mounting unit that fits most of the 21mm rails. The battery that is required to this sight is CR1620.
Sight lenght is 76mm and weight 140g.