The SureFire G2L NITORON uses "NITROLON," a non-conductive new material with corrosion resistance. It is used in chemical plants and other places that handle chemicals and oils. It is equipped with a xenon lamp. The brightness is 65 lumens. The special polymer new material used for the body achieves high corrosion resistance that cannot be achieved by special plating on aluminum materials. Moreover, it is 20% lighter than an aluminum body. Color: Black Size: 132 x 26 (mm) Weight: 115g This item was from my collection. Operation has been confirmed. There are no instructions. It is a relatively clean product, but it has been stored at home, so please refrain from purchasing if you are sensitive to this, and please consider it with your understanding. *Batteries will be removed before shipping.