---
product_id: 150600182
title: "NSP-4640B Forge™ Helmet-Mounted Multi-Function Flashlight"
brand: "nightstick"
price: "₨81109"
currency: LKR
in_stock: true
reviews_count: 8
url: https://www.desertcart.lk/products/150600182-nsp-4640b-forge-helmet-mounted-multi-function-flashlight
store_origin: LK
region: Sri Lanka
---

# 360 lumens max brightness 30 hours runtime IPX7 waterproof & dustproof NSP-4640B Forge™ Helmet-Mounted Multi-Function Flashlight

**Brand:** nightstick
**Price:** ₨81109
**Availability:** ✅ In Stock

## Summary

> 💡 Illuminate your path, own the night with Forge™ precision.

## Quick Answers

- **What is this?** NSP-4640B Forge™ Helmet-Mounted Multi-Function Flashlight by nightstick
- **How much does it cost?** ₨81109 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/150600182-nsp-4640b-forge-helmet-mounted-multi-function-flashlight)

## Best For

- nightstick enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Rear-facing green LED enhances visibility and situational awareness in critical moments.
- • **All-Day Power:** Up to 30 hours runtime keeps you illuminated through the longest shifts or adventures.
- • **Rugged & Reliable:** Built with aircraft-grade 6061-T6 aluminum and IPX7 rating for ultimate durability in any environment.
- • **Hands-Free Precision:** 360-degree multi-angle helmet mount ensures your light follows your every move seamlessly.
- • **Unmatched Brightness Control:** Three versatile modes from 30 to 360 lumens to tailor your light exactly how you need it.

## Overview

The Nightstick NSP-4640B Forge™ Helmet-Mounted Multi-Function Flashlight delivers professional-grade illumination with 360 lumens max brightness and three adjustable modes. Crafted from durable 6061-T6 aluminum and rated IPX7 waterproof, it’s designed for demanding outdoor and tactical use. Featuring a 360-degree helmet mount and a rear green safety LED, it offers hands-free versatility and enhanced visibility. Powered by two CR123A lithium batteries, it runs up to 30 hours, making it the ultimate companion for professionals who refuse to compromise on performance.

## Description

NSP-4640B Forge™ Helmet-Mounted Multi-Function Flashlight

## Features

- 360-lumen High, 180-lumen Low, 30-lumen Survival modes
- Single push-button switch
- Rear-facing green safety LED
- 360-degree multi-angle mount
- IP-X7 Water & Dust Proof, Meets requirements for NFPA-1971-8. 6 (2013)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Special Feature | Adjustable |
| Color | Black |
| Power Source | Battery Powered |
| Light Source Type | LED |
| Material | 6061-T6 Aluminum |
| White Brightness | 360 Lumens |
| Included Components | Light, 2 CR123 Lithium batteries, Allen key |
| Product Dimensions | 3.33"D x 1.44"W x 3.58"H |
| Voltage | 3 Volts (DC) |
| Light Path Distance | 218 Meters |
| Battery Cell Composition | Lithium Metal |
| Item Weight | 204 Grams |
| Number of Batteries | 2 CR123A batteries required. (included) |
| Water Resistance Level | Waterproof |
| Warranty Type | Limited Lifetime Warranty |
| Brand | Nightstick |
| Brightness | 360 lumen |
| Battery Description | CR123a |
| Runtime | 30 hours |
| Style | Modern |
| Bulb Base | GU5.3 |
| Specification Met | IPX7 |
| Mounting Type | Helmet Mount |
| Recommended Uses For Product | Outdoor |
| Manufacturer | Bayco |
| Size | Medium |
| UPC | 017398807111 |
| Part Number | NSP-4640B |
| Item Weight | 7.2 ounces |
| Country of Origin | China |
| Item model number | NSP-4640B |
| Batteries | 2 CR123A batteries required. (included) |
| Item Package Quantity | 1 |
| Special Features | Adjustable |
| Batteries Included? | Yes |
| Batteries Required? | Yes |

## Product Details

- **Special Feature:** Adjustable
- **Color:** Black
- **Power Source:** Battery Powered
- **Light Source Type:** LED
- **Material:** 6061-T6 Aluminum

## Images

![NSP-4640B Forge™ Helmet-Mounted Multi-Function Flashlight - Image 1](https://m.media-amazon.com/images/I/61P+IIMdgZL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great tool to have on the helmet
*by D***K on June 2, 2025*

So good I bought 2, one for me and one for a buddy. Amazing light output and moves around greatly. Love the simplicity.

### ⭐⭐⭐⭐⭐ Nightstick
*by L***E on April 10, 2025*

Very bright I will be buying more

### ⭐⭐⭐⭐⭐ Super bright
*by D***J on February 16, 2025*

Cuts through lighter smoke like nothing is there works great super bright and convenient I love this thing

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**Shop now:** [https://www.desertcart.lk/products/150600182-nsp-4640b-forge-helmet-mounted-multi-function-flashlight](https://www.desertcart.lk/products/150600182-nsp-4640b-forge-helmet-mounted-multi-function-flashlight)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-23*