Night Eyes Red 200 yd Gun Light Kit F6-R High intensity Red CREE LED w/50,000 hours lifespan, Aerospace grade aluminium body, tested at -42 degree F, waterproof Ultra thick 3/16 inch glass lens, Smooth aluminium reflector, Lithium-ion battery discharge protection, Wrong polarity protection Over discharge protection, Low battery warning indicator, Dual-mode silent remote switch, Glow in-the-dark tail cap ATTACHABLE HALO SHIELD INCLUDED