---
product_id: 359403292
title: "M6-UV Penlight Black Light 395nm UV LED Blacklight Ultraviolet Pen Lights for DIY Nail Art, Hotel Inspection,Fraudulent Documents and Banknotes, Pet Urine and Skin Conditions,Dye Detector"
brand: "weltool"
price: "¥8906"
currency: JPY
in_stock: true
reviews_count: 7
category: "Weltool"
url: https://www.desertcart.jp/products/359403292-m6-uv-penlight-black-light-395nm-uv-led-blacklight-ultraviolet
store_origin: JP
region: Japan
---

# 90%+ optical glass lens light transmittance 3.5 hours continuous runtime on 2 AAA batteries 395nm UV wavelength for precise detection M6-UV Penlight Black Light 395nm UV LED Blacklight Ultraviolet Pen Lights for DIY Nail Art, Hotel Inspection,Fraudulent Documents and Banknotes, Pet Urine and Skin Conditions,Dye Detector

**Brand:** weltool
**Price:** ¥8906
**Availability:** ✅ In Stock

## Summary

> 🔦 Illuminate the unseen, own the moment.

## Quick Answers

- **What is this?** M6-UV Penlight Black Light 395nm UV LED Blacklight Ultraviolet Pen Lights for DIY Nail Art, Hotel Inspection,Fraudulent Documents and Banknotes, Pet Urine and Skin Conditions,Dye Detector by weltool
- **How much does it cost?** ¥8906 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/359403292-m6-uv-penlight-black-light-395nm-uv-led-blacklight-ultraviolet)

## Best For

- weltool enthusiasts

## Why This Product

- Trusted weltool brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rugged Reliability:** Durable aluminum body resists drops and water, built to survive your busiest days.
- • **Portable Powerhouse:** Compact, lightweight design with a removable clip—your on-the-go UV detective.
- • **Versatile Use Cases:** From nail art to hotel inspections, fraud detection to pet care—one tool, endless possibilities.
- • **Precision UV Detection:** 395nm wavelength targets hidden stains & security features with surgical accuracy.
- • **Crystal Clear Illumination:** Optical glass lens delivers a uniform, glare-free beam for flawless inspection every time.

## Overview

The Weltool M6-UV Penlight is a compact, durable ultraviolet LED flashlight emitting a 395nm wavelength with over 90% light transmittance via an optical glass lens. Powered by 2 AAA batteries, it offers 3.5 hours of continuous use, making it ideal for professional and personal applications like nail art, document verification, pet stain detection, and hotel inspections.

## Description

Weltool M6-UV Penlight Black Light 395nm UV LED Blacklight Ultraviolet Pen Lights for DIY Nail Art, Hotel Inspection,Fraudulent Documents and Banknotes, Pet Urine and Skin Conditions,Dye Detector - desertcart.com

Review: Careful where you shine it. Sometimes it’s better not to know. - Don’t bring this to your buddy’s OCD girlfriend’s house.
Review: Awesome for close work. - It is not over bright but works well in a teat kit

## Features

- 395nm wavelength UV LED, and the power below 0.5W is more suitable for short-distance use.
- Using optical glass lens, the light transmittance is as high as 90% or more, it presents a round and uniform spot effect, the illuminance in the aperture is average, there is no dark area, no glaring center spot, and no stray light interference.
- Low radiation intensity is less harmful to the skin， It is suitable for DIY nail art at home. Also suitable for checking fraudulent documents and banknotes, oil leakage in small gaps, pet defecation and pet skin conditions. hotel room inspections, revealing unknown human and pet fluid stains, bed bugs and rodent contamination, and hidden carpet spots that can't be detected by the naked eye. quickly spot scorpions.
- This lightweight, portable pocket-size ultraviolet light is ideal for outdoors, while traveling, and even for casual use around the house. It can easily be packed into your purse or travel bag, or you can use the removable pocket clip to attach it to your belt, shirt, or pants pocket to take it everywhere you go.
- This blacklight flashlight is meticulously engineered for rough handling. Made with durable aluminum With a removable stainless steel pocket clip, the penlight is 133mm in length, this torch can survive accidental drops, temporary water submersion, and perform reliably under any condition.It can work continuously for 3.5 hours using 2 AAA alkaline batteries

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09CGH96M8 |
| Assembled Height | 1 centimeters |
| Assembled Length | 11 centimeters |
| Assembled Width | 1 centimeters |
| Batteries | 2 AAA batteries required. (included) |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Composition | Alkaline |
| Battery Description | Alkaline |
| Best Sellers Rank | #321,837 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,855 in Handheld Flashlights |
| Brand | Weltool |
| Bulb Features | 395nm wavelength UV LED, optical glass lens, low radiation intensity |
| Color | Black |
| Customer Reviews | 4.3 4.3 out of 5 stars (53) |
| Date First Available | August 12, 2021 |
| Finish Type | Black |
| Finish types | Black |
| Included Components | Battery |
| Item Package Quantity | 1 |
| Item Weight | 8.4 ounces |
| Item model number | M6-UV |
| Light Source Type | LED |
| Light Source Wattage | 0.5 Watts |
| Manufacturer | Weltool |
| Material | Aluminum |
| Number of Batteries | 2 AAA batteries required. (included) |
| Number of Lights | 1 |
| Part Number | 6970683711644 |
| Power Source | Battery Powered |
| Product Dimensions | 4.33 x 0.39 x 0.39 inches |
| Shape | Pen |
| Special Feature | Lightweight,Portable |
| Special Features | Lightweight,Portable |
| Style | Compact |
| Voltage | 3 Volts |
| Water Resistance Level | Water Resistant |
| Wattage | 0.5 Watts |

## Product Details

- **Color:** Black
- **Light Source Type:** LED
- **Material:** Aluminum
- **Power Source:** Battery Powered
- **Special Feature:** Lightweight,Portable

## Images

![M6-UV Penlight Black Light 395nm UV LED Blacklight Ultraviolet Pen Lights for DIY Nail Art, Hotel Inspection,Fraudulent Documents and Banknotes, Pet Urine and Skin Conditions,Dye Detector - Image 1](https://m.media-amazon.com/images/I/51a7Hfnn9-L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Careful where you shine it. Sometimes it’s better not to know.
*by G***W on March 13, 2025*

Don’t bring this to your buddy’s OCD girlfriend’s house.

### ⭐⭐⭐⭐⭐ Awesome for close work.
*by W***U on December 2, 2023*

It is not over bright but works well in a teat kit

### ⭐⭐⭐ Not a UV light.
*by E***N on January 4, 2024*

As a blacklight, it is fine. If your work requires you to check IDs, though, this is not what you need.

## Frequently Bought Together

- Weltool M6-UV Penlight Black Light 395nm UV LED Blacklight Ultraviolet Pen Lights for DIY Nail Art, Hotel Inspection,Fraudulent Documents and Banknotes, Pet Urine and Skin Conditions,Dye Detector
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**Shop now:** [https://www.desertcart.jp/products/359403292-m6-uv-penlight-black-light-395nm-uv-led-blacklight-ultraviolet](https://www.desertcart.jp/products/359403292-m6-uv-penlight-black-light-395nm-uv-led-blacklight-ultraviolet)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-18*