Mini 395nm UV Blacklight Penlight – LED Ultraviolet Torch & Clip

KDULIT Mini 395nm UV Blacklight Penlight – Compact, Clip-On LED Ultraviolet Torch

Illuminate what the naked eye can't see with the KDULIT Mini 395nm UV Blacklight Flashlight. This compact, clip-on penlight emits a powerful 395nm ultraviolet beam that reveals invisible fluorescent markings on banknotes, authenticates documents, detects pet stains on carpets and upholstery, verifies amber and gemstone authenticity, and exposes fluorescent anti-counterfeiting seals — all in a pocket-sized aluminum alloy body that goes wherever you need it.

Key Features

• 395nm UV LED – Optimal wavelength for detecting fluorescent residues, security markings, and invisible stains
• Built-in pocket clip – Attaches securely to a shirt pocket, notebook, or bag strap for hands-free carry
• Anti-slip, wear-resistant body – Durable aluminum alloy construction with a comfortable matte grip
• IPX4 splash-resistant – Everyday waterproof protection keeps it working in light rain or damp conditions
• Simple tail-cap push switch – Single on/off operation; no complicated modes to cycle through
• Lightweight & portable – Weighs just ~25 g; at 13.2 × 1.4 cm it slips into any pocket or bag
• 3W fixed-focus beam – Delivers a consistent, wide UV spread without zoom adjustments

Specifications

Note: Batteries are NOT included in the package.

Common Uses

• 💵 Currency & document verification – Spot UV security threads and fluorescent ink on banknotes, passports, and IDs
• 🐾 Pet stain detection – Locate dried pet stains on carpets, upholstery, and hard floors that are invisible in normal light
• 💎 Gemstone & amber authentication – Verify fluorescence properties to distinguish genuine stones from imitations
• 🔍 Forensic & trace inspection – Reveal residues and markings invisible under white light
• 🏷️ Anti-counterfeiting seal verification – Confirm fluorescent security stamps on official seals and labels

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For more information on UV light safety and how ultraviolet light works, visit the U.S. FDA guide on UV lights and lamps.

Frequently Asked Questions

Q: What batteries does the KDULIT mini UV flashlight use?

A: The flashlight requires 2 × AAA batteries for operation. Please note that batteries are not included in the package — you will need to supply your own AAA batteries before first use.

Q: Can this 395nm UV blacklight detect pet stains on carpet?

A: Yes. The 395nm ultraviolet wavelength causes organic fluorescent compounds in dried pet stains to glow visibly when the room is darkened, making it easy to identify spots on carpet, rugs, upholstery, and hard floors that appear invisible under ordinary white light.

Q: Is this UV penlight waterproof?

A: The flashlight carries an IPX4 splash-resistance rating, meaning it can withstand splashing water from any direction. It is suitable for everyday use in light rain or damp environments, but should not be submerged in water.

Q: What is the difference between 395nm and other UV wavelengths?

A: 395nm sits at the near-UV/visible-light boundary, producing a strong violet-purple glow that is highly effective at exciting common fluorescent materials — including security inks on banknotes, scorpion exoskeletons, and many biological residues — while remaining safer for brief human exposure than shorter-wave UV (e.g. 254nm germicidal UV). Always avoid pointing any UV light directly at eyes.

Q: Does the clip allow me to attach the UV penlight to a pocket or bag?

A: Absolutely. The integrated metal pocket clip is designed to attach the penlight securely to a shirt pocket, notebook binder, clipboard, or bag strap, keeping it within easy reach during inspections, fieldwork, or everyday tasks.