The same great features as the TLR-2, now with strobe function! • Powered by two 3-volt CR123A lithium batteries with 10-year storage life • C4® LED with blinding beam (TLR-2: 135 lumens, TLR-2s 160 lumens) with optimum peripheral illumination – will not break or burn out! • Strobe model with user programmable strobe enable/disable • Up to 2.5 hr. Run Time (laser-only mode runs 45+ hrs.) • Rail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle • Machined aluminum sealed construction with black anodized finish • Dustproof • Ambidextrous momentary/steady on-off switch, Double tap of momentary paddle within 0.4 seconds activates strobe. (TLR-2s® only) • Highly accurate sight repeatability when remounting • Fast, adjustable, secure side mounting. Includes Rail Locating Keys for Glock style, 1913 Picatinny, S&W 99/TSW, and Beretta 90two • IPX4 rated design for water resistant operation • Weight: 4.72 oz. NOTE: TLR-2s with Laser Sight INCLUDES Rail Locating Keys for Glock style, 1913 Picatinny, S&W 99/TSW, and Beretta 90two! Lithium batteries. Boxed.