---
product_id: 359403293
title: "Weltool M6-RD Red LED Dark Adaptation Penlight for Pilots Viewing Navigation Maps, HGN Tests, SFST and ARIDE to DRE Evaluations，Pocket Pen Light with Clip for Doctors and Veterinarians"
brand: "weltool"
price: "฿2493"
currency: THB
in_stock: true
reviews_count: 13
category: "Weltool"
url: https://www.desertcart.co.th/products/359403293-weltool-m6-rd-red-led-dark-adaptation-penlight-for-pilots
store_origin: TH
region: Thailand
---

# 1-inch scale for precise measurements Powered by 2 AAA alkaline batteries Red LED for night vision Weltool M6-RD Red LED Dark Adaptation Penlight for Pilots Viewing Navigation Maps, HGN Tests, SFST and ARIDE to DRE Evaluations，Pocket Pen Light with Clip for Doctors and Veterinarians

**Brand:** weltool
**Price:** ฿2493
**Availability:** ✅ In Stock

## Summary

> 🔦 See the unseen, lead the night.

## Quick Answers

- **What is this?** Weltool M6-RD Red LED Dark Adaptation Penlight for Pilots Viewing Navigation Maps, HGN Tests, SFST and ARIDE to DRE Evaluations，Pocket Pen Light with Clip for Doctors and Veterinarians by weltool
- **How much does it cost?** ฿2493 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/359403293-weltool-m6-rd-red-led-dark-adaptation-penlight-for-pilots)

## 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

- • **Compact & Portable Design:** Slim 133mm penlight with detachable clip for on-the-go use
- • **Versatile Professional Tool:** Ideal for pilots, medical staff, veterinarians, hunters & law enforcement
- • **Precision Optical Glass Lens:** 90%+ light transmittance with even, glare-free beam
- • **Enhanced Diagnostic Visibility:** Perfect for vein finding, pupil exams, and sobriety tests
- • **Optimized Red Light Technology:** Preserves night vision & reduces glare for professionals

## Overview

The Weltool M6-RD is a compact red LED penlight designed for professionals requiring short-distance, glare-free illumination. Featuring a high-transmittance optical glass lens and powered by 2 AAA batteries, it delivers a uniform, non-intrusive red light ideal for night navigation, medical exams, veterinary use, and law enforcement sobriety tests. Its slim design with a detachable clip ensures easy portability and quick access in critical environments.

## Description

desertcart.com: Weltool M6-RD Red LED Dark Adaptation Penlight for Pilots Viewing Navigation Maps, HGN Tests, SFST and ARIDE to DRE Evaluations，Pocket Pen Light with Clip for Doctors and Veterinarians : Industrial & Scientific

Review: For checking on aquarium for nocturnal creatures. - After my other light disappeared, bought this. It is much brighter than my mag light, and has a narrower beam. They only problem is the Fish and Inverts can see it, not the fault of the light, though. I just have to be quick.
Review: Excellent to deal with my tarantulas terrariums - Tarantulas do not see red light. This is perfect to deal with my tarantulas without bother them, see where they are hiding in their terrariums.

## Features

- M6-RD adopts red light LED, which is designed for professionals who use short-distance lighting. When the flashlight is lit in a dark environment, it can prevent the vision from being affected by strong light.
- It is suitable for viewing star maps during astronomical observations, pilots viewing navigation maps during night flight of airplanes, inspecting instruments in the cockpits of tanks, submarines and armored vehicles, hunters or night-walkers viewing maps, and at the same time as viewing bees and examining the mouth of horses, as well as eyes，find earthworm.
- M6-RD can be used as a medical pen light,use this in the ER to find veins on patients，Use it for starting IVs on infants and children,checking patient's eyes and pupils,in EMS and this light (red color) makes the pupil shine while making the iris matted. Provides great contrast to really see the pupil size,HGN tests（the horizontal gaze nystagmus test）,SFST (Standardized Field Sobriety Tests) and ARIDE to DRE Evaluations.
- The professionally designed luminous curve adopts 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. even beam
- The flashlight is 133mm in length, uses 2 AAA alkaline batteries, and has a 1-inch scale. It comes with a detachable pocket clip, which can be clipped in the chest pocket or the side pencil case, or clipped on the cover of the notepad, which is convenient to carry.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09DCPX2D9 |
| 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 | #103,293 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #37 in Medical Pen Lights |
| Brand | Weltool |
| Bulb Base | GX5.3 |
| Color | Red |
| Customer Reviews | 4.5 4.5 out of 5 stars (92) |
| Date First Available | August 23, 2021 |
| Included Components | Battery |
| Item Package Quantity | 1 |
| Item Weight | 2.11 ounces |
| Item model number | M6-RD |
| Light Source Type | LED |
| Manufacturer | Weltool |
| Material | Aluminum |
| Number of Batteries | 2 AAA batteries required. (included) |
| Number of Lights | 1 |
| Part Number | 6970683710982 |
| Power Source | Battery Powered |
| Product Dimensions | 4.33 x 0.39 x 0.39 inches |
| Recommended Uses For Product | Pilots for navigation map viewing, inspecting instruments in military vehicles, hunting or night-walking, medical professionals for patient examinations, veterinarians for animal examinations, EMS for HGN tests, and law enforcement for SFST and ARIDE to DRE evaluations. |
| Shape | Pen |
| Style | Penlight |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Color:** Red
- **Included Components:** Battery
- **Light Source Type:** LED
- **Material:** Aluminum
- **Power Source:** Battery Powered

## Images

![Weltool M6-RD Red LED Dark Adaptation Penlight for Pilots Viewing Navigation Maps, HGN Tests, SFST and ARIDE to DRE Evaluations，Pocket Pen Light with Clip for Doctors and Veterinarians - Image 1](https://m.media-amazon.com/images/I/51bcy8MA5FL.jpg)

## Questions & Answers

**Q: How many lumens**
A: 2.4 lumens

**Q: Can bulbs from other weltool penlights be used with this light? specifically the m6-bl?**
A: M6-BL bulbs cannot be used on M6-RD, Weltool penlights M6-BL is special.but M6, M6-DR, M6-RD, M6-UV can replace bulbs with each other.

**Q: How many nanometers are the LEDs? 660? 630? Thanks!**
A: wavelength 632nm

**Q: Any chance of buying replacement clips for this m6-rd red light pen?**
A: We do not sell clips separately,if you have ordered this item, please talk to customer service and they will help you solve the problem.

## Customer Reviews

### ⭐⭐⭐⭐⭐ For checking on aquarium for nocturnal creatures.
*by D***. on May 18, 2024*

After my other light disappeared, bought this. It is much brighter than my mag light, and has a narrower beam. They only problem is the Fish and Inverts can see it, not the fault of the light, though. I just have to be quick.

### ⭐⭐⭐⭐⭐ Excellent to deal with my tarantulas terrariums
*by R***Z on November 29, 2023*

Tarantulas do not see red light. This is perfect to deal with my tarantulas without bother them, see where they are hiding in their terrariums.

### ⭐⭐⭐⭐⭐ Long lasting built tuff
*by E***Y on May 2, 2025*

Very sturdy, long lasting on 1 AAA battery. Gives a very precise round light pattern. No adjustment to the light cones. I use for night adapted vision in my astronomy hobby Pick clip to prevent loss.

## Frequently Bought Together

- Weltool M6-RD Red LED Night Vision Penlight for Pilots Viewing Navigation Maps, HGN Tests, SFST and ARIDE to DRE Evaluations，Pocket Pen Light with Clip for Doctors and Veterinarians
- 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
- Weltool M6-Dr Diagnostic Medical Penlight No-Glare for Doctor Nurse Inspection Torch Medical Care Emergency Pocket Pen Light with Clip

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.th/products/359403293-weltool-m6-rd-red-led-dark-adaptation-penlight-for-pilots](https://www.desertcart.co.th/products/359403293-weltool-m6-rd-red-led-dark-adaptation-penlight-for-pilots)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-23*