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HiLetgo 10pcs 5V 650nm 5mW Red Dot Laser Head Red Laser Diode Laser Tube with Leads Head Outer Diameter 6mm

4.3 out of 5 stars 685 ratings
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Purchase options and add-ons

Brand HiLetgo
Material Copper
Color Red
Product Dimensions 2.56"L x 0.71"W
Style Laser

About this item

  • 5V 650nm 5mW Red Dot Diode Laser Head Red Laser Diode 6mm Red Laser Diode Laser Head
  • Wave length: 650nm
  • Wide range of wroking temperature: -10°C to +40°C
  • Application: Level instrument, Ground instrument, Long distance laser listener remote light control, Long distance laser wireless communication

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Product Description

Description:
Output Power: 5mW
Wavelength: 650nm
Working Voltage: 5V
Operating Current: less than 20 mA
Laser Shape: Dot
Working temperature: -10°C to +40°C
Housing material: High quality Copper
Dimensions: 6.5 x 18mm
Wire connection: Red wire connect to Positive, Blue wire connect to Negative
Package included:
10PCS 5V 650nm 5mW Red Dot Diode Laser Heads

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Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Price$6.79$12.99$8.99$7.99$11.99$9.99
Delivery
Get it as soon as Tuesday, Apr 8
Get it as soon as Tuesday, Apr 8
Get it as soon as Tuesday, Apr 8
Get it as soon as Tuesday, Apr 8
Get it as soon as Tuesday, Apr 8
Get it as soon as Tuesday, Apr 8
Customer Ratings
4.34.3 out of 5 stars685
4.64.6 out of 5 stars136
4.64.6 out of 5 stars8
3.83.8 out of 5 stars3
4.84.8 out of 5 stars14
4.04.0 out of 5 stars16
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Customer reviews

4.3 out of 5 stars
685 global ratings

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Customers say

Customers find the laser diodes work well at 4.5V and are good value for money. They are bright, with one customer noting stable color and intensity over time, and are easy to install and use for hobby projects. The build quality receives mixed feedback, with some praising the solid beam while others report a 40% failure rate. Customers disagree on the focusability and size, with several mentioning the leads are too short.

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49 customers mention "Laser performance"43 positive6 negative

Customers are satisfied with the laser's performance, noting that it works well at 4.5v and provides good value for money.

"...Great performance. Quality so far seems pretty good, however it seems like the wires are lightly soldered on. So far none of them have broken free...." Read more

"These LASERS work perfect, are really bright and the cost is outstanding. Super Deal..." Read more

"...The other diodes work fine, though a few had "satellite" spots due to an imperfect enclosure...." Read more

"...This is my second purchase of these, all have worked flawlessly and consistently...." Read more

42 customers mention "Value for money"42 positive0 negative

Customers find these lasers to be good value for money, with one customer noting they arrived in perfect working condition.

"...Very tiny, which is great, and probably the best value for the money considering quality and quantity. Love them!" Read more

"These LASERS work perfect, are really bright and the cost is outstanding. Super Deal..." Read more

"...One or two out of the lot don’t work properly but that’s okay at this price point. Make sure to test before you solder...." Read more

"...These mini lasers fit the bill. They work great and are relatively inexpensive. The working voltage is 5v...." Read more

38 customers mention "Brightness"28 positive10 negative

Customers find the laser head bright, with one customer noting it maintains color and intensity stability over time.

"These LASERS work perfect, are really bright and the cost is outstanding. Super Deal..." Read more

"All units work. Ran directly off a 4.5V battery pack. Bright, but has marginal particle flare (expected from low cost optics)...." Read more

"...The lens is adjustable and you can rotate till you have a nice sharp point of light. These have been great." Read more

"One of the diodes was completely dead, while another was very faint. A third, which I continuously ran 5V on became dim after 10 minutes...." Read more

11 customers mention "Ease of use"11 positive0 negative

Customers find the laser diode easy to use and install, with one customer noting that the driver circuit is simple and another mentioning it's perfect for hobby projects.

"...It’s easy to do just remember the polarity matters." Read more

"...The driver circuit is pretty simple (just a resistor) but the diode seems resilient enough to handle fluctuating current...." Read more

"...They're easy to use, just cool them up and it works. The lens turns to focus the beam...." Read more

"...Easy to incorporate and make mounts for. Only issue is the cheap wires and solder they come with snap and detach...." Read more

9 customers mention "Sturdiness"9 positive0 negative

Customers find the laser head sturdy, with multiple reviews noting its suitability for circuit building, and one customer mentioning it works well for laser guns and cat toys.

"It's pretty good for props, too bad not all of them worked" Read more

"Excellent for circuit building! Bright LASER output!" Read more

"...Otherwise. This product is perfectly suited for general tinkering & projects." Read more

"These would be fine for a cat toy or laser pointer, but since the diodes are not centered within the brass housing they are useless for any kind of..." Read more

31 customers mention "Build quality"15 positive16 negative

Customers have mixed opinions about the laser's build quality, with some praising its solid beam and good quality control, while others report a 40% failure rate.

"...Great performance. Quality so far seems pretty good, however it seems like the wires are lightly soldered on. So far none of them have broken free...." Read more

"...It's not the best wiring type, but it works, and the soldering is strong enough to at least pick up a diode by the end of one cable without..." Read more

"Well made and fit into just about anything you want them to.. there like a normal laser pointer × 10 very good product and run on just about any..." Read more

"...the wiring is thin, as others have stated, they will break off at the solder joint quite easily...." Read more

13 customers mention "Focusability"5 positive8 negative

Customers have mixed experiences with the laser's focusability, with some reporting that the beam is not well focused, while one customer mentions it can be adjusted for the sharpest dot.

"...Each laser has a nonadjustable lens focusing the light out somewhere around infinity, so you will need your own lens if you want to change the..." Read more

"...THEY ARE FOCUSABLE !..." Read more

"...beam and intensity, four of them were weak with a beam point that was not properly focused, and one that didn't work at all...." Read more

"...They're easy to use, just cool them up and it works. The lens turns to focus the beam...." Read more

12 customers mention "Size"6 positive6 negative

Customers have mixed opinions about the laser's size, with several noting it is pretty small and has short leads, while one customer mentions it fits into just about anything.

"...So far none of them have broken free. Very tiny, which is great, and probably the best value for the money considering quality and quantity...." Read more

"...Leads are little short - about 3 inches long, but overall I'm pleased with these units." Read more

"Well made and fit into just about anything you want them to.. there like a normal laser pointer × 10 very good product and run on just about any..." Read more

"These were cheap and do the job but they are really small and the holder they need to be in they kept falling out, When I tighten the holder the..." Read more

Laser Beam Combiner Red Dot on 80W laser "OMtech"
5 out of 5 stars
Laser Beam Combiner Red Dot on 80W laser "OMtech"
After a year the red dot on my combiner wasn't showing up very well and I couldn't find any real help online for a replacement, I took a chance and bought this one....actually a bag of um, however, I could not be happier, and would have paid the same amount for just one if I knew it was going to work so well "guess I have extras".I had forgotten how bright the dot could be.The only thing I had to do was make its circumference bigger by putting it in a sleeve.
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Top reviews from the United States

  • Daniel Armbrecht
    5.0 out of 5 stars Very solid beam!!
    Reviewed in the United States on July 26, 2024
    Verified Purchase
    Bought this to make an automatic laser pointer for my cats. My initial fear of the lights being dim were immediately received when I hooked it up to the Arduino. Great performance. Quality so far seems pretty good, however it seems like the wires are lightly soldered on. So far none of them have broken free. Very tiny, which is great, and probably the best value for the money considering quality and quantity. Love them!
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  • One of the guys
    5.0 out of 5 stars Great Deal
    Reviewed in the United States on June 16, 2024
    Verified Purchase
    These LASERS work perfect, are really bright and the cost is outstanding. Super Deal...
    2 people found this helpful
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  • C. He
    4.0 out of 5 stars Good value, but some issues
    Reviewed in the United States on December 24, 2018
    Verified Purchase
    One of the diodes was completely dead, while another was very faint. A third, which I continuously ran 5V on became dim after 10 minutes. The other diodes work fine, though a few had "satellite" spots due to an imperfect enclosure.

    Using this with two 1.5V alkaline batteries (3V total) gives a visible, but not very bright beam. My Radioshack laser pointer is noticeably brighter (at least twice as bright) using the same voltage.

    The connections consists of two standed wire cables soldered onto tiny conductors. It's not the best wiring type, but it works, and the soldering is strong enough to at least pick up a diode by the end of one cable without worrying about degrading the joint.

    Each laser has a nonadjustable lens focusing the light out somewhere around infinity, so you will need your own lens if you want to change the focusing, or purchase the slightly more expensive diode lasers that are focusable.
    8 people found this helpful
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  • Kyle
    5.0 out of 5 stars PLEASE READ THIS...
    Reviewed in the United States on September 21, 2020
    Verified Purchase
    The media could not be loaded.
    These diodes at 50 cents a piece are one heck of a bargain. To dispel some of the myths and reviews here is useful information.

    They only require a 5-volt power supply, that's it. I used an old desktop Christmas tree power/controller to power the diode, it Powers the diode quite nicely at 4.5 volts, and using the controller I get different beam options, (video attached) remember no driver boards or power modules needed, use batteries, 5 volt power supplies, (the diode will work at 3-5 volts although at 3v it's not that bright)

    THEY ARE FOCUSABLE ! I have seen complaints that they are out of focus, that's because the barrel of the diode is threaded, you can screw the forward portion of the diode barrel in and out to focus it at different distances, it is not one solid piece of brass but split in the middle.

    This is my second purchase of these, all have worked flawlessly and consistently.

    One caveat, the wiring is thin, as others have stated, they will break off at the solder joint quite easily. My suggestion cut down some electrical tape and wrap it around the board and wires to act as a strain relief, or, encapsulate the the board and wires with hot glue, this is the best way.

    Although not tested, my 40 years experience in lasers tells me these are hotter than a typical 5 MW laser diode.
    55 people found this helpful
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  • Steve
    5.0 out of 5 stars Excellent value
    Reviewed in the United States on May 15, 2024
    Verified Purchase
    Can’t beat these lasers for the price. I power them with a 3 AA battery box with built in switch. Secure wires with a blob of hot glue for a stress relief. I mounted one in a hole drilled in wood and accidentally pulled the ground wire (blue) loose. No problem, I just stripped the wire and pinched it between the Brass housing and the side of the hole and it still works fine. I wish the body was 1/4” diameter, think it’s metric. Wish I had a few 40 years ago.
    2 people found this helpful
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  • Fair&Honest
    5.0 out of 5 stars Simple low cost laser
    Reviewed in the United States on April 5, 2022
    Verified Purchase
    All units work. Ran directly off a 4.5V battery pack. Bright, but has marginal particle flare (expected from low cost optics). Beam spread is about 5/8 inches at 25 feet. I've read this can be adjusted, but the brass/copper head is so tight to the body that I fear I'll damage the unit trying to adjust it. Leads are little short - about 3 inches long, but overall I'm pleased with these units.
    3 people found this helpful
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  • Amazon Customer
    3.0 out of 5 stars It's decent!
    Reviewed in the United States on April 22, 2024
    Verified Purchase
    The media could not be loaded.
    It was a decent product; it works well for the price, but the lighting could vary depending on how good it was from one to another.
    One person found this helpful
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  • Enginepy
    4.0 out of 5 stars Not high quality but great for my use
    Reviewed in the United States on May 11, 2024
    Verified Purchase
    I use these in models, and they are great for that use. One or two out of the lot don’t work properly but that’s okay at this price point. Make sure to test before you solder. The lens is adjustable and you can rotate till you have a nice sharp point of light. These have been great.
    2 people found this helpful
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