---
product_id: 596599345
title: "40W Laser Module, K40 Laser Head with Air Assist TTL Blue Light Module, 8Beam Compressed Laser Cutter Module Head for Laser Engraving and Cutting Machine,24V"
brand: "laser tree"
price: "HK$9907"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/596599345-40w-laser-module-k40-laser-head-with-air-assist-ttl
store_origin: HK
region: Hong Kong
---

# 40W+ cutting power Dual fan cooling system Real-time temp alarm >55°C 40W Laser Module, K40 Laser Head with Air Assist TTL Blue Light Module, 8Beam Compressed Laser Cutter Module Head for Laser Engraving and Cutting Machine,24V

**Brand:** laser tree
**Price:** HK$9907
**Availability:** ✅ In Stock

## Summary

> ⚡ Cut smarter, not harder — unleash precision power with every pass!

## Quick Answers

- **What is this?** 40W Laser Module, K40 Laser Head with Air Assist TTL Blue Light Module, 8Beam Compressed Laser Cutter Module Head for Laser Engraving and Cutting Machine,24V by laser tree
- **How much does it cost?** HK$9907 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/596599345-40w-laser-module-k40-laser-head-with-air-assist-ttl)

## Best For

- laser tree enthusiasts

## Why This Product

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

## Key Features

- • **Stay Cool, Work Long:** Dual fan cooling plus temperature alarm extends laser module lifespan and maintains peak performance
- • **User-Friendly Safety:** Integrated orange glass eye protection blocks harmful blue light—no extra glasses needed
- • **Precision Positioning:** Red cross laser guide ensures exact alignment for flawless cuts every time
- • **Instant Reset & Status:** Convenient reset button silences overheat alarms; dual indicator lights confirm operational status
- • **Power Through Materials:** Cuts 20mm plywood & 15mm acrylic in a single pass at 150mm/min with full 40W power

## Overview

The LASER TREE 40W+ Laser Module is a high-performance laser head designed for professional-grade engraving and cutting. It delivers powerful 40W output capable of slicing through 20mm plywood and 15mm acrylic in one pass at 150mm/min. Equipped with dual fans and a temperature alarm system, it ensures long-lasting, reliable operation by preventing overheating. Precision is guaranteed with a red cross positioning laser, while built-in orange glass protection safeguards your eyes from blue light exposure. Ideal for makers and professionals seeking efficiency, safety, and accuracy in their laser cutting projects.

## Description

Sponsored Ad – 40W Laser Module, K40 Laser Head with Air Assist TTL Blue Light Module, 8Beam Compressed Laser Cutter Module Head for Laser Engraving and Cutting Machine,24V

## Features

- 40W+ LASER MODULE KIT: LASER TREE 40W+ laser module has powerful cutting capabilities. It can cut 20mm plywood by one pass at 150mm/min with 100% power. At 150mm/min and 100% power, it can cut 15mm acrylic by one pass. This 40W laser head can only cut plywood, pine board, acryli(cannot cut transparent acrylic, need to be painted black to cut)., basswood board, 0.5mm stainless steel and other materials. Output Power:0.5mW,Class:1
- WORKING TEMPERATURE DISPALY: LASER TRRE 40W+ laser module newly developed working temperature display, when the laser engraving module working temperature exceeds 55 degrees laser module will alarm to indicate the temperature is too high, the purpose of this is to be able to use the laser module for a long time, to improve the service life, to maintain the power of the laser module, and to reduce the rate of decline in the performance of the laser module.
- DUAL FAN COOLING AND FOCUS LEVER: The dual fan design of LASER TREE 80W laser module has excellent cooling performance, with two fans working at the same time, which helps to enhance the service life of the laser module and prevent decline. And a focus bar is designed on the lower side of the laser module to adjust the sinking distance according to the thickness of the cutting material and the fixed focal length of the laser module of 40mm.
- RED CROSS POSITIONING LIGHT AND RESET BUTTON: The top of LASER TREE laser module is designed with a reset button, when the temperature of the laser module exceeds 55 degrees, an alarm sound will be emitted, pressing this reset button will stop the alarm sound. The bottom of the laser head is designed with a red cross stroke, the main function is to accurately position the laser module so that it does not go out of position when working.
- INDICATOR LIGHT AND GLASS EYE PROTECTION: LASER TREE40W+ laser engraving module has two indicator lights, the red power model light and the green PWM signal light, when these two lights are on at the same time it means the module can work normally, and the Red Cross positioning light at the bottom will also be on. Equipped with orange glass glasses protection cover with fire resistance, can block the blue light and thus protect the eyes, without wearing glasses.
- Note: In order to avoid unnecessary returns. If you have any questions before or after the purchase, please contact me through the backstage message, I will reply and solve your problems in time. Path: Log in to desertcart-click the corresponding order number-contact the seller.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | LASER TREE |
| Style | LT-K40-UK |

## Images

![40W Laser Module, K40 Laser Head with Air Assist TTL Blue Light Module, 8Beam Compressed Laser Cutter Module Head for Laser Engraving and Cutting Machine,24V - Image 1](https://m.media-amazon.com/images/I/71cQf0YbRrL.jpg)

## Available Options

This product comes in different **Style Name** options.

## Questions & Answers

**Q: Can this LASER TREE K40 40w optical power laser module be compatible with the cnc 3018 machine?**
A: Please make sure the round mounting base of your cnc 3018 machine is able to mount our laser module. Our laser module can be used with cnc 3018 machine, but it cannot be installed on cnc 3018 machine.

**Q: Can this 40W laser module be compatible with 2pinh or 4pin pwm connected machines?**
A: Yes, it is compatible. Because our 30W laser module comes with a P-DA-01 adapter board in the box, you can connect the 2pin or 3pin cable of your machine to the P-DA-01 adapter board to use our laser module.

**Q: How can I install this 40W laser module on other types of machines?**
A: Our laser module comes with a LT-SP-03 sliding table in the box for you to mount our laser module on your machine.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.hk/products/596599345-40w-laser-module-k40-laser-head-with-air-assist-ttl](https://www.desertcart.hk/products/596599345-40w-laser-module-k40-laser-head-with-air-assist-ttl)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-16*