Description
The Weltool M4-365 “Blue Faced Beast” is a professional-grade 365nm UV flashlight engineered for maximum performance. Delivering up to 14,000mW of UV radiation flux, it features a patented cooling structure, black filter glass lens to eliminate stray light, and dual power modes for precision use. Designed for demanding tasks like UV curing, non-destructive testing (NDT), leak detection, forensic evidence collection, and mineral exploration, this powerhouse combines professional reliability with rugged durability.
Key Features
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Ultra-Powerful UV Output: 365nm wavelength with 14,000mW radiation flux
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Professional-Grade Build: CNC-machined T6 aluminum alloy with hard-anodized finish
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Patented Cooling: Through-hole head design for efficient heat dissipation
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Precision Optics: Black filter lens reduces stray visible light for pure UV output
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Durable & Reliable: IP67 waterproof, drop tested to 1 meter, and reverse polarity protection
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Safety Built-In: Over-discharge, low battery reminder, and temperature regulation
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Convenient Operation: Tail forward switch with more than 10,000 press lifespan
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Portable: Includes stainless steel deep-carry pocket clip for EDC readiness
Technical Specifications
| Specification | Details |
|---|---|
| LED Type | High-power UVA 365nm LED |
| UV Radiation Flux | 14,000mW (High Mode) |
| Wavelength | 365nm (invisible light) |
| Lens | Black filter tempered glass |
| Battery | 1 × 21700 Rechargeable Li-ion (included) |
| Runtime | Varies by mode (High / Low) |
| Switch Type | Tail forward click switch |
| Material | CNC-machined T6 aluminum alloy |
| Waterproof Rating | IP67 (heavy rain safe) |
| Drop Resistance | 1 meter |
| Dimensions | 154mm (L) × 35mm (Head) × 26.5mm (Body) |
| Weight (without battery) | 153g ±0.5 |
| Lifespan | 10,000 hours LED life |
| Serial Number | Each flashlight uniquely serialized |
What’s Included
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Weltool M4-365 "Blue Faced Beast" UV Flashlight
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1 × High-Drain 21700 Rechargeable Li-ion Battery
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Portable Charger
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Stainless Steel Pocket Clip
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Spare O-Ring
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User Manual
Why Choose the M4‑365 “Blue Faced Beast”?
This is not your average UV flashlight—it’s a professional tool trusted for non-destructive testing, forensic analysis, UV curing, and mineral exploration. With industry-leading 365nm wavelength output and a patented cooling system, the M4-365 delivers unmatched performance in a compact, field-ready design.
Safety Note: 365nm UV light is invisible to the naked eye. Always wear protective UV safety glasses and never shine on eyes, skin, or reflective surfaces.