Aluminum Alloy

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Use of one high quality LG LED source RATHER THAN cheap black light flashlights that use of 12pcs or 101pcs diode LED lamp：UV301D utilizes South Korea top quality brand LG original 365nm LED source, 3 watts high output power, strong beam and high radiant energy as high as CUR 115mW/cm. Multi LED beads styles or cheap flashlights online uses of cheap led beads, that are very dim brightness, stray light interference, short beam distance.
Hard black filter optical lens : UV301D utilizes toughened black filter optical lens, high efficiency remove the stray light, much purer light color and much clearer image of rocks and mineral glow, harmful fluorescents glow, a/c leak than cheap products.