Inside the Ravens slim, striking and stealthy 45-facet polymer barrel is an impressive assembly of advanced components, pushing 140 lumens of brilliant white Cree LED light through an advanced optical system. The two-stage pressure switch offers either intermittent or constant-on modes, along with the Double Tap option of a low secondary light level. Other features include an alloy internal frame for toughness and heat management, hardcoat anodized aluminum tail cap, and more. Powered by 2 universally-available AAA batteries (included)