1PACK= Torch + Lanyard+Tube + Dichroic Filter + Yellow Mask Filter + box ****Explore the underwater world at night in a completely different way with our specially designed bio-florescence enhancing lights. Flourescence night diving which is also commonly referred to as fluo diving or glow diving is quickly gaining popularity by the new and exctting visual experlence it offers for divers. Our lights can paired with a yellow viewing filter will allow you to see flourescent corals, fishes and other marine life in a unique and magical way. Why with Dichroic Filter? Dichroic Filter only let the blue light pass and reflects all other colors,you will have pure lights to take a perfect video/pictures.Please instal the filter in the inside head part and glued the head to make sure a excellent waterproof ability Why yellow Mask Filter? This is because unlike UV, blue light is not invisible to the human eye; without the filter you will therefore not be able to see the fluorescence because it will be overwhelmed by the ambient light. Feature: T-6061-T6 Durable Aircraft-Grade Aluminum Alum-Oxidized Reflector High transparent toughened glass lenses 3pcs Cree XLamp XT-E Royal Blue;1000-1500Lumens Color temperature:6000-7000K Voltage stability and constant current circuit voltage 2.8V-8V Three layers of O sealing rings IP 88 waterproof standard 492ft/150M Rotary switch on Head 1Mode(ON/OFF) Hot spot Beam angle 100° Burning time:3hours Use 2x18650 or 2x26650 Li-ion batteries L: 205mm D: 63mm (head) D:31mm (Middle) D:33mm (Tail) Net Weight: 665g/23.5oz
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