Will it properly detect Yooperlites? I was told you needed at 365nm and not sure difference between that and this.

Fluorescent minerals emit visible light when exposed to ultraviolet light, this is called "excitation". Each fluorescent substance has their own optimum of their excitation and emission light wavelengths (sometime several) - the closer to the optimum UV light you use to highlight such substance the more bright it will light. The yooperlite it's a form of a mineral sodalite, the excitation and emission sodalite spectra you can easily google (e.g. here: nightsea c o m_nature_minerals_sodalite-fluorescence, substitute underlines with a slash). As you can see the excitation optimum wavelength for sodalite/yooperlite is ~385 nm, and the emission optimum is close to 630 nm - and the stone shines between orange (600-630 nm) and a red (630-700 nm) lights, with high emission at the red part. So the answer: this lighter is ideal for yooperlite detection, and the 385 nm UV light suits better for this purpose than the 365 nm light though the latter also can make the stone shine, but almost 1.5 times weaker.

What is the up beast for and what can it do

It is very useful for detecting contamination in motel rooms like feces, urine, rodent droppings and urine, insects like scorpions. Fungus and other plant materials indoors and out will show up well especially if you use it in the dark. Detergent residue glows bright. Teeth really light up if you use almost any toothpaste.

Does the indicator on the charger light up solid green or flickering green when ready? I can't tell since the charger already was green before

Hi. When the batteries are inserted into the charger, the charger will determine the need for charging the batteries to 4.2 volts. If so, the charger lights will turn red. Then when charging is complete the charge lights will turn green. Hope that answers, but otherwise if you require any further assistance please email our support on support@uvbeast.com. Thank you.

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⚡ Step into the UV big leagues with power that outshines the rest!

TRIPLE POWER BOOST - 3 x 1.2A SMD LEDs deliver unmatched UV intensity beyond 100-LED models
COMPLETE READY TO USE KIT - Includes UV optic glasses, dual-port charger, adapter, extension barrel, and spare O-rings
LONG DISTANCE ILLUMINATION - UV beam extends over 70 feet—double the range of typical black lights
PROFESSIONAL GRADE PRECISION - 385-395nm wavelength with uniform spectral distribution for reliable, consistent results
COST EFFICIENT RECHARGEABILITY - Rechargeable 18650 battery eliminates hidden running costs and disposable waste

The uvBeastAspiree New V3 is a professional-grade rechargeable UV flashlight featuring triple 1.2A SMD LEDs that deliver superior UV intensity at 385-395nm wavelength. Its beam reaches over 70 feet, more than doubling the range of traditional 100-LED models. Designed for efficiency and durability, it includes a rechargeable 18650 battery, waterproof anodized finish, and a full accessory kit with UV glasses and charger—perfect for professionals demanding high performance and long-term savings.

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Product Dimensions	5.5 x 5.5 x 22 cm; 377 g
Item Weight	377 Grams
Specific uses	385-395nm wavelength applications [Professional grade UV with uniform spectral distribution]
Finish types	Anodized
Specification met	Waterproof
Batteries required	Yes
Battery type	Lithium-Ion
Included components	UV optic glasses; batteries; 2-port battery charger; adapter; extension barrel; spare O-rings

uvBeast Aspiree New V3 385-395nm Black Light UV Flashlight - Rechargeable 18650 with Glasses - HIGH Power Upgraded Triple Broad Ba...

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