Cheule's Flashlight Reviews present the Acebeam L16 2.0 Tactical Flashlight. The ACEBEAM L16 2.0 is a tactical flashlight upgrade designed for professionals, it has a Luminus SFT-40 LED that delivers 2100 lumens and a 670-meter beam for exceptional illumination in demanding conditions. Its USB-C tail switch simplifies operation by combining charging and control, eliminating the need for a separate tail cap.