Green/Red/Infrared laser and white light combo sight. Material, High quality for Hunting. Battery Type: 3v CR123A, 2pcs. Suit for: Pistol or Rifle with Picatinny Rail. 1x Laser and Flashlight combo Sight. Message us for return instructions. We have the rights to refuse products if above are not followed. Does package come with battery inside. Package will not include battery inside, expect for some built-in battery products. Will this item fit on my guns(s)/weapon? A: All the LASERSPEED laser products fit for a standard picatinny rail. Some mini lasers only fit for subcompact pistol. And some only for rifle. If you are not sure whether this item fits your weapon or not, welcome to message us. Q5: Do you provde OEM/ODM service? And packing with our logo? A: Yes, we can do OEM and ODM with your logo as your request. Q6: Is green laser brighter than red? What is the difference between red laser and green laser? Green spectrum is the most sensitive to human eye. To achieve the same laser output, and thus the same. Laser safety class, green light is perceived more easily by the eye than red light.