395nm UV Blacklight Flashlight – USB Rechargeable, 250 Lumen

ESMARTER 395nm UV Blacklight Flashlight – Rechargeable Ultraviolet Light

Illuminate what the naked eye can't see with the ESMARTER K31 395nm UV Blacklight Flashlight. Emitting powerful 395nm ultraviolet light at 250 lumens, this compact aluminum alloy torch is your go-to tool for pet stain detection, UV resin curing, scorpion spotting, document verification, and more. USB rechargeable and fully waterproof, it's built for everyday use indoors and out.

Key Features

• 395nm UV Wavelength: Ideal wavelength for fluorescing pet urine stains, curing UV resins, and revealing invisible markings with ease.
• 250 Lumen Output: High-power 10W LED delivers bright, effective UV illumination up to 50–100 metres.
• USB Rechargeable: Built-in rechargeable battery charges via USB — no constant battery replacements needed. Battery included.
• Waterproof Construction: Weather-resistant design makes it reliable for outdoor adventures, camping, and fieldwork in all conditions.
• Durable Aluminum Alloy Body: Lightweight yet tough, the aircraft-grade aluminum alloy housing resists everyday knocks, drops, and wear.
• Compact & Portable: Slim, pocket-friendly form factor goes wherever you need it — home, garden, or on the go.
• CE & RoHS Certified: Meets international safety and environmental standards for your peace of mind.

Specifications

Common Uses

• 🐾 Pet Stain Detection: Quickly locate dried pet urine on carpets, floors, and furniture that's invisible under normal light.
• 🔬 UV Resin Curing: Cure UV-activated resins for jewellery making, crafts, and DIY projects efficiently.
• 🦂 Scorpion Spotting: Scorpions fluoresce under UV — great for outdoor enthusiasts and campers.
• 📄 Document & Currency Verification: Reveal security markings on banknotes, IDs, and official documents.
• 🎨 Craft & Art Projects: Activate fluorescent paints and inks for creative projects.

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For more information on UV light safety and best practices, visit the FDA's guide on Ultraviolet (UV) Radiation.

Frequently Asked Questions

Q: What is the best use for a 395nm UV blacklight flashlight?

A: A 395nm UV blacklight flashlight is highly versatile. It is commonly used for detecting pet urine stains on carpets and upholstery, curing UV resin in crafts and jewellery projects, verifying security markings on banknotes and documents, and spotting scorpions and other fluorescent materials in the dark.

Q: Is the ESMARTER K31 UV flashlight waterproof?

A: Yes! The K31 features a waterproof design, making it suitable for outdoor use in various weather conditions including light rain. Its durable aluminum alloy body also adds extra protection against everyday bumps and drops.

Q: How do I charge the UV flashlight?

A: The flashlight is USB rechargeable — simply connect it to any USB power source (power bank, wall adapter, laptop, etc.) using the included cable. A battery is included, so it's ready to charge and use right out of the box.

Q: How far can the UV light reach?

A: The ESMARTER K31 UV flashlight provides effective illumination at a distance of 50 to 100 metres, making it powerful enough for both close-up tasks like resin curing and wider area inspections.

Q: Is this UV flashlight safe to use?

A: The K31 is CE and RoHS certified, meeting international safety and environmental standards. As with any UV light source, avoid pointing it directly at eyes or skin for extended periods. Use protective eyewear if prolonged UV exposure is expected.