---
product_id: 260742408
title: "COSMOING UV Flashlight Pen, LED 395nm Ultraviolet Flashlight, Zoomable Blacklight, IP54 Waterproof Detector for Pet Urine, Cat Dog Stains, Bed Bug, Household - 2 Pack"
brand: "cosmoing"
price: "€ 21.36"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.pt/products/260742408-cosmoing-uv-flashlight-pen-led-395nm-ultraviolet-flashlight-zoomable-blacklight
store_origin: PT
region: Portugal
---

# 150 lumens bright LED output IPX4 waterproof rating 395nm UV wavelength precision COSMOING UV Flashlight Pen, LED 395nm Ultraviolet Flashlight, Zoomable Blacklight, IP54 Waterproof Detector for Pet Urine, Cat Dog Stains, Bed Bug, Household - 2 Pack

**Brand:** cosmoing
**Price:** € 21.36
**Availability:** ✅ In Stock

## Summary

> 🔦 Illuminate the unseen, own the moment.

## Quick Answers

- **What is this?** COSMOING UV Flashlight Pen, LED 395nm Ultraviolet Flashlight, Zoomable Blacklight, IP54 Waterproof Detector for Pet Urine, Cat Dog Stains, Bed Bug, Household - 2 Pack by cosmoing
- **How much does it cost?** € 21.36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/260742408-cosmoing-uv-flashlight-pen-led-395nm-ultraviolet-flashlight-zoomable-blacklight)

## Best For

- cosmoing enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Lightweight:** Just 1.12oz and 5.4 inches—carry it everywhere, use anytime.
- • **Versatile UV Powerhouse:** From forensic work to antique ID, this penlight does it all.
- • **Pinpoint Invisible Stains:** Detect hidden pet urine, food spills & more with laser accuracy.
- • **Zoomable Focus & Long Runtime:** Adjust beam for detail work, powered by easy-to-replace AAA batteries.
- • **Built Tough for Any Environment:** Waterproof, shockproof, skid-proof—ready for indoor & outdoor use.

## Overview

The COSMOING UV Flashlight Pen is a precision 395nm LED blacklight tool designed for professionals and pet owners alike. With a bright 150-lumen output, IPX4 waterproof rating, and a compact 5.4-inch aluminum alloy body, it excels at detecting invisible stains, counterfeit money, and forensic evidence. Its zoomable beam and lightweight design make it indispensable for versatile applications from household stain detection to law enforcement and antique identification.

## Description

Full description not available

## Features

- 【UV FLASHLIGHT PERFECT FOR DETECTING INVISIBLE STAINS】 COSMOING 395nm ultraviolet pen flashlight exactly detect food or hidden pet stains of dogs,cats and other pets on carpets,there's no need to steam clean the entire carpet, UV blacklight will pinpoint the areas with ease.
- 【LOTS OF UNEXPECTED FUNCTION】3W COSMOING portable UV flashlights can also detect cat moss,act as nail dryer, prospecting field exploration and antique identification tool. It is also an essential tool for law enforcement, postal inspections, customs, medical forensics, scorpions huntings. Conveniently powered for hours with 2AAA battery (NOT Included).
- 【VERSATILE UV PEN LIGHT】This 5.4 inch LED penlight, weight just 1.12oz/pcs, is extremely lightweight for daily use. Perfect using for identify counterfeit money and reveal the hidden ink on passport, money or other important documents, ideal for invisible spots and stains that can not see with the naked eye.
- 【WATERPROOF & SMART】IPX4 rating of this UV blacklight, best using for either indoor or outdoor application.The portable pen flashlight is built of high quality aluminum alloy. Skid-proof, waterproof, explosion-proof and shockproof.
- 【YOU WILL GET】A surprising sufficient package: A super helpful led ultraviolet flashlight, an operation guide, a service card. Any inquires before purchase are also welcomed. Don’t hesitate to contact our friendly, easy-to-reach support when in need.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Special Feature | Waterproof |
| Color | 2 pcs-zoomable Penlight Flashlight |
| Power Source | Battery Powered |
| Light Source Type | LED |
| White Brightness | 150 Lumens |
| Included Components | Battery |
| Battery Cell Composition | Alkaline |
| Item Weight | 1.12 Ounces |
| Number of Batteries | 2 AAA batteries required. |
| Water Resistance Level | Waterproof |
| Brand | COSMOING |
| Brightness | 150 lumen |
| Battery Description | AAA |
| Style | 2PCS-Zoomable Pen Flashight |
| Finish Type | Antique |
| Specification Met | IPX4 |
| Mounting Type | Handheld |
| Recommended Uses For Product | Pet stain detection, nail drying, identifying counterfeit money, prospecting, antique identification, law enforcement, forensics, scorpion hunting, waterproof exploration, and identifying hidden ink on important documents |
| Manufacturer | COSMOING |
| UPC | 048518774570 |
| Light Output Maximum | 150 Lumens |
| Part Number | FL16-UVx2.1 |
| Item Weight | 1.12 ounces |
| Product Dimensions | 5.4 x 5.4 x 5.4 inches |
| Batteries | 2 AAA batteries required. |
| Finish | Antique |
| Shape | Pen |
| Special Features | Waterproof |
| Batteries Included? | No |
| Batteries Required? | No |
| Description Pile | AAA |

## Product Details

- **Special Feature:** Waterproof
- **Color:** 2 pcs-zoomable Penlight Flashlight
- **Power Source:** Battery Powered
- **Light Source Type:** LED
- **White Brightness:** 150 Lumens

## Images

![COSMOING UV Flashlight Pen, LED 395nm Ultraviolet Flashlight, Zoomable Blacklight, IP54 Waterproof Detector for Pet Urine, Cat Dog Stains, Bed Bug, Household - 2 Pack - Image 1](https://m.media-amazon.com/images/I/61M6-YW9AzL.jpg)
![COSMOING UV Flashlight Pen, LED 395nm Ultraviolet Flashlight, Zoomable Blacklight, IP54 Waterproof Detector for Pet Urine, Cat Dog Stains, Bed Bug, Household - 2 Pack - Image 2](https://m.media-amazon.com/images/I/618TV20xVwL.jpg)
![COSMOING UV Flashlight Pen, LED 395nm Ultraviolet Flashlight, Zoomable Blacklight, IP54 Waterproof Detector for Pet Urine, Cat Dog Stains, Bed Bug, Household - 2 Pack - Image 3](https://m.media-amazon.com/images/I/61EkRMc4VLL.jpg)
![COSMOING UV Flashlight Pen, LED 395nm Ultraviolet Flashlight, Zoomable Blacklight, IP54 Waterproof Detector for Pet Urine, Cat Dog Stains, Bed Bug, Household - 2 Pack - Image 4](https://m.media-amazon.com/images/I/71Wim-kKZ4L.jpg)
![COSMOING UV Flashlight Pen, LED 395nm Ultraviolet Flashlight, Zoomable Blacklight, IP54 Waterproof Detector for Pet Urine, Cat Dog Stains, Bed Bug, Household - 2 Pack - Image 5](https://m.media-amazon.com/images/I/71C+VaKKBtL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to use
*by A***. on February 23, 2024*

As a crafter who frequently works with UV resin, I recently purchased a UV flashlight to aid in curing my resin projects, and I have been incredibly pleased with its performance.The UV flashlight I purchased emits a strong, concentrated beam of ultraviolet light, which is essential for curing UV resin. The flashlight is compact and lightweight, making it easy to handle and maneuver, even when working on small or intricate projects.One of the things I love most about this UV flashlight is its power and efficiency. The light is strong enough to cure the resin quickly and effectively, ensuring that my projects cure evenly and thoroughly. The flashlight also has a long battery life, allowing me to use it for extended periods without having to worry about recharging or replacing the batteries.Overall, I am extremely satisfied with the UV flashlight and would highly recommend it to anyone working with UV resin or in need of a portable and powerful UV light source. It has become an essential tool in my crafting arsenal, and I cannot imagine working on resin projects without it.

### ⭐⭐⭐⭐⭐ UV light
*by S***Y on July 17, 2025*

Good quality

### ⭐⭐⭐⭐⭐ Very useful
*by E***R on September 22, 2025*

This flashlight was recommended to me by a bank worker to identify the counterfeit bills that will arrive at my business, it really works very well and is very effective.

## Frequently Bought Together

- COSMOING UV Flashlight Pen, LED 395nm Ultraviolet Flashlight, Zoomable Blacklight Flashlight IP54 Waterproof Detector for Pet Urine, Cat Dog Stains, Bed Bug, Household Wardrobe Toilet - 2 Pack
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- DirectGlow Invisible UV Ink Marker Pen with Ultraviolet LED Keychain Blacklight

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**Shop now:** [https://www.desertcart.pt/products/260742408-cosmoing-uv-flashlight-pen-led-395nm-ultraviolet-flashlight-zoomable-blacklight](https://www.desertcart.pt/products/260742408-cosmoing-uv-flashlight-pen-led-395nm-ultraviolet-flashlight-zoomable-blacklight)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-02-06*