This is a genuine Warnlaser 635nm RED laser pointer in totally BLACK or Metal finish, to which Warnlaser has exclusive rights. Focus is pre-set to maintain a small dot size even at maximum range. Uses 18650 recharge Batteries. This is a heavy duty instrument designed for long use with a constant on/off button and safety keys in the base. Please do not confuse this pointer with the cheap key chain types on the market. To make sure that you are buying a genuine Warnlaser 635nm red laser pointer, always insist on seeing the FDA sticker before purchasing any laser pointers. Removal or attempt to remove the FDA sticker, physical abuse, and scratches, dropping the pointer or attempting to disassemble or modify the pointer will void the half-year warranty. Item is brand new and fully checked out before shipping.