BlueFire 1100 Lumen CREE XM-L2 Professional Diving Flashlight, Bright LED Submarine Light Scuba Safety Lights Waterproof Underwater Torch for Outdoor Under Water Sports (Yellow) Updated CREE XM-L2 Led, Super Bright and More Practical Underwater Aluminum Alloy Head and Fluorescence ABS body Design, Waterproof IPX-8, up to underwater 80ft 3 Working Modes, two brightness levels, a strobe light Lanyard and Hand Strap Included, conveniently carry and use underwater Uses a rechargeable 18650 Li-ion battery or three AAA batteries(Not Included) <span class="a-text-bold">BlueFire 1100 LumenProfessional</span> CREEXM-L2 Scuba <span class="a-text-bold">Diving Flashlight</span> Underwater Torch is<span class="a-text-bold">Super Brigh</span>t. It is <span class="a-text-bold">mainlydesigned</span> for the <span class="a-text-bold">professional divers</span> or <span class="a-text-bold">underwater Photographer</span>. <span class="a-text-bold">Updated CREE XM-L2 White LED</span>, <span class="a-text-bold">Super Bright</span> and <span class="a-text-bold">More Practical</span> Underwater. <span class="a-text-bold">Max output</span> can reach <span class="a-text-bold">1100 lumen</span>,<span class="a-text-bold">LED runtime</span> can reach<span class="a-text-bold">50,000 hours</span>. Twist the bottom to the tightest level, you will get the<span class="a-text-bold">brightest light</span>. Twist the bottom to the left a little bit and twist it to the tightest level, you will get a<span class="a-text-bold">dim light</span>. Twistthe bottom to the left a little bit and twist it to the tightest level, you will get a<span class="a-text-bold">strobe light</span>. Twistthe bottom to the left a little bit and twist it to the tightest level, you will<span class="a-text-bold">turn off</span>the light. This diving flashlight is very waterproof, its <span class="a-text-bold">waterproof level is IPX-8</span>, you can take it <span class="a-text-bold">down</span> to <span class="a-text-bold">80 ft underwater</span>. Youcan<span class="a-text-bold">adjust</span>the<span class="a-text-bold">velcro strap</span> on your wrist,whichcankeepyourhands free. There isalso a <span class="a-text-bold">lanyard wrist strap</span>, you can tieit to your waist when youdon&#039;t need the light. <span class="a-text-bold">Florescent coloring</span> makes for <span class="a-text-bold">easy finding</span>. You canuse it for<span class="a-text-bold">diving works, Underwater fishing, Salvageoperations,Underwater archaeological work, Teaching Scuba diving.</span> It is also a<span class="a-text-bold">perfect flashlight</span>foroutdoor activities, Such as<span class="a-text-bold">fishing, diving, swimming, hiking, sailing,caving,hunting and seeking survival</span>without fear of rainy days.