How much electrical current does this module pull?

Our specification is less than 35 mA, but the typical pull is 25mA.for the VLM -650-28

Do I need a power source or does it take batteries?

You need a power source providing between 3 and 5 volts. A 5v smartphone charger, with the cable stripped apart and wired to the leads, will suffice. This is essentially how I did it. Just be sure to get your positive and negative leads wired correctly to avoid damaging the laser module. You may also have luck with a pair of 1.5v batteries connected in series, but I have not tested this myself (it should work, though).

How thin can the line be?

the Laser line width : 1.2mm at 1 meter(is design for a shorter distance)Quarton Customer Service Center

How visible, sharp, bright, & long would the line be at 2.25m away (on ceiling to shine on floor) in a dark room? (indoor safety line at night)

The standard Laser has a 60 degree lens. Therefore, at 2 inches away from the target the laser line will be 2 inches long and approximately 1 mm and width. The further you get from the target the longer the line will be in a one to one ratio with 60°. The line with will also diverge, so if I am 10 feet away, I will have a 10 foot long line however, even at his power level it will still be quite visible, depending on the ambient light in the room

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Economical Green Line Laser Module 520 nm, Class 1, 7~10 VDC, >60° Fan Angle, 0.3~1.8m Working Distance, VLM-520-28 LPT - Industrial Alignment Laser for Automation & Machine Vision

Economical Green Line Laser Module 520 nm, Class 1, 7~10 VDC, >60° Fan Angle, 0.3~1.8m Working Distance, VLM-520-28 LPT - Industrial Alignment Laser for Automation & Machine Vision

Product ID: 47965289

Details

Brand
Quarton
Colour
Gold
Material
Alloy Steel
Product dimensions
26L x 26W
Style
VLM-520-28 LPT

💡520 nm vivid green wavelength

📏0.3~1.8 m precise working range

🔧Compact Ø9×26 mm industrial design

R1779

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Align Like a Pro — The Green Laser That Means Business

ROBUST INDUSTRIAL BUILD - Durable brass housing combined with plastic optics and APC driver circuit ensures stable output and surge protection in professional setups.
SEAMLESS OEM INTEGRATION - Compact size and Class 1 safety rating make it easy to embed into consumer-grade devices without compromising performance or compliance.
PRECISION AT YOUR FINGERTIPS - Engineered for short-range accuracy with a 0.3 to 1.8 meter working distance—perfect for 3D scanners, barcode readers, and alignment tools.
OPTIMIZED FOR INDOOR ENVIRONMENTS - Designed to perform flawlessly within standard room temperatures (+15°C to +30°C), ideal for controlled industrial and lab settings.
CRYSTAL CLEAR GREEN LINE PROJECTION - Optimized 510~530 nm wavelength for sharp, visible alignment lines that cut through indoor environments effortlessly.

The Economical Green Line Laser Module VLM-520-28 LPT delivers a sharp 520 nm green laser line optimized for short-range (0.3~1.8 m) industrial applications. Featuring a compact Ø9×26 mm brass housing, APC driver for stable output, and a wide >60° fan angle, it’s designed for seamless integration into 3D scanners, barcode readers, and alignment tools. Built for indoor environments, this Class 1 laser module balances cost-efficiency with professional-grade reliability, making it a top choice for OEMs and automation professionals.

Specifications

ASIN	B07KWVBR6B
Best Sellers Rank	209,536 in DIY & Tools ( See Top 100 in DIY & Tools ) 66 in Line Lasers
Brand	Quarton
Colour	Gold
Country of Origin	Taiwan
Customer Reviews	3.9 3.9 out of 5 stars (79)
Included Components	laser module
Item Dimensions L x W	26L x 26W millimetres
Item Weight	6 Grams
Level Measurement Type	laser
Manufacturer	Quarton inc.
Material	Alloy Steel Aluminium
Model Number	VLM-520-28 LPT
Number of Items	1
Operation Mode	Automatic
Part Number	VLM-520-28 LPT
Style	VLM-520-28 LPT - Green Laser
UPC	705702428106

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R1779

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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