Name:Nylon OGL red green blue Laser
Fit:20mm picatinny Rail
Battery: 16340 battery (not included)
Fuction:White light Constant-on,Strobe,Momentary-on;Laser Constant-on,Strobe,Momentary-on;White light+Laser Constant-on,Momentary-on;IR Laser Constant-on,Momentary-on.