INSTALL:20mm picatinny rail. BATTERY 16340/CR123A1(no include). Red laser + white light + IR laser + IR fill light. Green laser + white light + IR laser + IR fill light. Blue laser + white light + IR laser + IR fill light. Laser contstant-on? White light contstant-on\white light strobe? IR fill light contstant-on? IR laser contstant- on+ IR fill light strobe? IR fill light strobe, IR laser contstant-on? IR laser + IR fill light contstant-onlaser + white light contstant-on? Laser + white contstant-on.