Streamlight TLR-8 Sub 500 Lumen Tactical Light & Red Laser Glock 43X 48 – 69411. The Streamlight TLR-8 sub produces a narrow beam with optimum peripheral illumination. Featuring next generation rear paddle switches with high and low options; white LED and Red aiming laser; safe-off feature prevents accidental activation, saving batteries and rail clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of muzzle. Includes mounting kit with key, CR123A lithium battery and Interchangeable paddle switches easy to swap out with multi-tool. Light Output: 500 lumens. Gun Model: Glock 43X. Beam Distance: 141 m. Length: 2.51 in. Weight: 2.77 oz. Battery Life: 1.5 hours. What that means is if you order. It depends on where you live.