FW21 X9LS is an ultra high-intensity outdoor flashlight with a far-reaching distance. It adopts a Luminus SFT40 LED and runs on a 21700 battery. It burst an 1800 lumens max output and delivers a 735 meters amazing throw distance. X9LS uses an easy-to-operate ramping UI from the rear electronic tail switch. Stainless steel clip, IP68-rated protection, X9LS is an ideal lighting device for searching, hiking, camping, etc.