---
product_id: 494230222
title: "20Pcs Mini Red Laser Dot Head Laser Diode Laser Tube Diode Module Head 650nm 6mm 5V 5mW and 3V 5mW + 20Pcs 5mm GM5539 Photoresistor Photo Light Sensitive Resistor + 20pcs 10K ohm Resistor"
brand: "bgtxingi"
price: "B/.55"
currency: PAB
in_stock: true
url: https://www.desertcart.com.pa/products/494230222-20pcs-mini-red-laser-dot-head-laser-diode-laser-tube
store_origin: PA
region: Panama
---

# 3V & 5V dual voltage ready 40pcs all-in-one kit 650nm bright red laser dot 20Pcs Mini Red Laser Dot Head Laser Diode Laser Tube Diode Module Head 650nm 6mm 5V 5mW and 3V 5mW + 20Pcs 5mm GM5539 Photoresistor Photo Light Sensitive Resistor + 20pcs 10K ohm Resistor

**Brand:** bgtxingi
**Price:** B/.55
**Availability:** ✅ In Stock

## Summary

> 🚀 Light up your projects with precision and power!

## Quick Answers

- **What is this?** 20Pcs Mini Red Laser Dot Head Laser Diode Laser Tube Diode Module Head 650nm 6mm 5V 5mW and 3V 5mW + 20Pcs 5mm GM5539 Photoresistor Photo Light Sensitive Resistor + 20pcs 10K ohm Resistor by bgtxingi
- **How much does it cost?** B/.55 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/494230222-20pcs-mini-red-laser-dot-head-laser-diode-laser-tube)

## Best For

- bgtxingi enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Power:** Works seamlessly with any 3V or 5V supply—no hassle, perfect for quick setups and experiments.
- • **Versatile STEM Kit:** Complete 60-piece set in a transparent case—engineer your next innovation from anti-theft alarms to laser communication.
- • **Precision Laser Focus:** Sharp, clear red dot visible over long distances for professional-grade projects.
- • **Durable Metal Film Resistors:** Reliable 10K ohm resistors with noise suppression and high-temp resistance for long-lasting performance.
- • **Ultra-Sensitive Photoresistors:** Rapid light response with GM5539 sensors, ideal for smart light control and security systems.

## Overview

This 60-piece kit includes 20 laser diode modules (10 at 3V and 10 at 5V, each 5mW at 650nm), 20 GM5539 photoresistors with high light sensitivity, and 20 durable 10K ohm metal film resistors. Packaged in a compact transparent box, it’s designed for easy use by students and professionals alike, supporting a wide range of applications from experiments to advanced light-based devices.

## Description

20Pcs Mini Red Laser Dot Head Laser Diode Laser Tube Diode Module Head 650nm 6mm 5V 5mW and 3V 5mW + 20Pcs 5mm GM5539 Photoresistor Photo Light Sensitive Resistor + 20pcs 10K ohm Resistor

## Features

- Package set: 40pcs laser dot module and photoresistor set. Including 10pcs 5v 5mW, 10pcs 3V 5mW laser dot module, 20pcs 5mm photoresistors GM5539, 20pcs 10K ohm Resistor, . They are placed in a transparent plastic box for easy transportation and identification.
- Working voltage: Laser dot module head Voltage is 3v and 5v. Just connect the laser to any 3Vor 5V power supply and it will start working, very easy to use, students or novices can also operate.GM5539 Photoresistor: Maximum voltage: 150 Volt DC; Maximum wattage: 100 mW; Spectral peak: 540 nm; Bright resistance (10 Lux); 50-100 Kohm; Operating temperature: - 30 ~ + 70 degree Celsius.
- Feature: The laser module has a good focusing ability, and can show a clear and bright round red dot even at a long distance. The photoresistor has high light sensitivity, can quickly respond to changes in light intensity.
- 10K ohm Resistor: Metal Film Resistor: Excellent Noise Suppression, Moisture-Proof, High Temperature Resistance And Long Working Life.
- A wide range of applications: The Laser diode module and photoresistors can be used for student experiments, level instrument, ground instrument, light control, long distance laser wireless communication, miniature projectors, anti-theft alarms, etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | BGTXINGI |
| Part Number | BGTXINGI-129 |
| Package Dimensions | 8 x 6 x 4 cm; 114 g |
| Item model number | BGTXINGI-129 |
| Colour | Red |
| Style | Laser |
| Power Source | AC/DC |
| Included Components | Case |
| Batteries Required? | No |
| Item Weight | 114 g |

## Product Details

- **Brand:** BGTXINGI
- **Colour:** Red
- **Style:** Laser
- **Operation mode:** Automatic
- **Manufacturer:** BGTXINGI

## Images

![20Pcs Mini Red Laser Dot Head Laser Diode Laser Tube Diode Module Head 650nm 6mm 5V 5mW and 3V 5mW + 20Pcs 5mm GM5539 Photoresistor Photo Light Sensitive Resistor + 20pcs 10K ohm Resistor - Image 1](https://m.media-amazon.com/images/I/61NXhBWuHGL.jpg)

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**Shop now:** [https://www.desertcart.com.pa/products/494230222-20pcs-mini-red-laser-dot-head-laser-diode-laser-tube](https://www.desertcart.com.pa/products/494230222-20pcs-mini-red-laser-dot-head-laser-diode-laser-tube)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-01-31*