Genuine Surefire not replica. 600 lumen light, red laser. Adjustable via Allen key. I had this on my real Glock 19 for a long time and just got a new pistol light for Christmas. I just changed out the batteries so they are fresh for the buyer. Works great, no issues with function. There is a small mar in the metal that can be seen in the photos, it’s purely cosmetic and doesn’t hurt function of light, laser, or switches at all. Price is OBO and includes shipping. Also no original box included, I’ll look for it but I think it’s long gone.