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Lazer-Stik Battery Powered Marker Light, Constant-On

35 reviews
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About Lazer-Stik Battery Powered Marker Light, Constant-On

Featured Reviews

See all 35 reviews

The only tank light to buy.


I have bought every model of tank light or stick light you can find. They all leak, batteries don't last or rust up on the first dive. Even the expensive ones you think because they are more $$$ will work or be cooler. Forget it. I bought 2 of these and am buying 3 more. You can put them anywhere and they always work. You can buy these and never need another marker light.




I recently purchased 3 of these (green) prior to a night dive. I got one for myself and one each for my two sons. There were several other divers present all with different colored chem lights. These lights seemed to be burning brighter than all the rest. All of us having the same color made it very easy for me to keep up with my sons who were buddied up with other divers.During our night dive I could easily locate my sons by the color which was very visible. I highly recomend this product fo...

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Lazer-Stik Battery Powered Marker Light, Constant-On
he Lazer-Stik Battery Powered Marker Light, Constant-On is an ideal tool for deep water divers for signal transmission. It is a direct replacement for chemical light sticks that can be equally useful in all-weather conditions. It works in temperatures where chemical light sticks cannot. This light is reusable, environment friendly and reliable. This dependable and impact-resistant light is visible up to 1500' (500 meters) away on the surface making it an excellent-choice as a signal device. This rugged waterproof light has a handle that forms a comfortable grip as well as an attachment tool. Even with its great visibility, it does not affect the natural night vision of the diver. It comes equipped with a nylon line lanyard for easy attachment to diver or a diver's gear. If going to deep waters has been on your mind lately, get the Lazer-Stik Battery Powered Marker Light, Constant-On! Light is depth rated to 350' (107 meters), is powered by a 3 x LR44 batteries with a 12-hour burn time. Light is available in multiple colors.

Lazer-Stik Battery Powered Marker Light, Constant-On Features

  • Lazer-Stik Battery Powered Marker Light, Constant-On:
  • Reusable Light Design
  • Dependable, Durable, & Impact-Resistant
  • Visible-Over 1500' (500 meters)
  • Will-Not Affect Natural Night Vision
  • Depth Rated: 350' (107 meters)
  • 12 Hour Burn Time
  • 3 x LR44 Batteries Included
  • Multiple Colors Great for Diver ID

Lazer-Stik Battery Powered Marker Light, Constant-On Customer Reviews

Review Summary


(based on 35 reviews)


of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Most Liked Positive Review


The only tank light to buy.

I have bought every model of tank light or stick light you can find. They all leak, batteries don't last or rust up on the first dive. Even the expensive ones you think because they are more $$$ will work or be cooler. Forget it. I bought 2 of these and am buying 3 more. You can put them anywhere and they always work. You can buy these and never need another marker light.


Most Liked Negative Review


What a piece of junk

Bought this to differentiate myself on night dives (so my customers could find me). Flooded on the first use. What a piece of junk! If I could give this zero stars I would. Save your money!

Reviewed by 35 customers


Night lite


Works well as a tank light for night dives


Perfect for night dives


from Rome, GA, US

Perfect for night dives in Bonaire. Worked great.


Good tank light

By Monica H.

from Stanford, CA, US

Great light, green is the best color for tank light :)


Great night trolling light!

By Andrew K.

from Rogers, OH, US

I use the Lazer Stick Marker Light Constant On for night trolling with in line planer boards. They are highly visible from a long distance, and are water proof to ensure no failure. These are the best lights for this purpose, would recommend them to anyone who wants a great light for night trolling.


Very Bright, Effective

By Mark S.

from Orlando, FL, US

My wife and I just tried these out on a night dive and they were perfect. The green is very bright -- brighter than a different, more expensive model worn by some friends on the same dive. It's positively buoyant so it floats above the diver when attached to the tank. I'd definitely buy again.


Light saber on your tank


from Conroe , TX, US

Awesome light...super bright, minimalist design-maximum light output. Get will love them.


Simple to use and Ez to see !

By Diver D.

These lights are great and when combined with either the Versa tank band lights or the Guardian eGear lights you cant go wrong. The lights are great for any low viz situation that may come up. I dive quarries and at times it gets challenging to keep my partner in site. These really do help. Make sure to lightly lubricate the O rings before using them to prevent possible flooding. I have not encountered flooding yet!! All in all, an inexpensive but very usfull piece of equipment that I would recommend in a heart beat!!!


Great tank light

By actor212

I like to dive at night with as little use of my flashlight as possible in order not to disturb the sleeping fish. I made a dive this past month under a new moon and the Lazer-stik gave off enough light that I could see a few feet in front of me. I was impressed.


Nice non-blinding tank light

By SneSnake

Floats above dive cylinder when attached to the first stage or valve so is easily seen by dive buddies. I like that the light is not bright and blinding like some location lights, yet it is plenty visible by other divers on a night dive. I bought the blue light, since green lights are common, and red says "emergency" to me. It's small and lightweight for travel. It does the job as advertised.


Night diving

By divedoc

Needed a replacement for liveaboard night dives. Gives off a great light


Product is good

By Rafael

Excellent delivery, on time as I expected


Great Price and Very Bright Light

By MrScuba

This Marker light is a great economical replacement for the chemical stick. Long lasting, highly visible, and reliable. Used primarily in Salt Water Night Dives. Only down side is the string to attach light is very thin, would recommend using a more sturdy cord or zip ties.


Simple and reliable Chemlight replacemen

By Hwood

As usual, great delivery service from Leisure Pro!


Better than the chemical stick!

By chuck

No one will lose you with this one.


It works.

By Bud T.

This light does the job. It beats the chemical glow sticks and lasts for lots of dives.


Questions & Answers

Questions about this item:

Shopper  Why Did You Choose This?
Juliana M  For night dive
Richard W  I am taking the PADI Night Diver Specialty course and wanted something better than a glow stick. I also bought the flashing version of the same product. Reviews for both were great, as were the prices along with free shipping. Some reviewers bought more than one.
ANNA B  To be able to see my buddy from a distance
IGNACIO F  my friends recommented this to me , to use wile cave and night diving. Identified your buddy on poor vis.
RAFAEL F  Must have for night dives. Easy to use and compact
FRED M  I use it as a Tank Light
JASON O  These are great attachments for tank for night dives. The green ones are even better in murky water.
FAREED H  Needed this for a night dive. Worked perfectly.
Tyler R  To use instead of light sticks. Works very well and pays for itself.
ERIC S  As DM this is perfect for studen to follow- me during night dives
Shopper  Are batteries included or do you have to purchase them seperately?
CONSTANCE S  Yes batteries are included. If you click on the tab that says "includes", it tells you that batteries are included.
ANN B  It includes batteries, but it doesn't hurt to have spares. It takes 3 batteries ( not sure the type but they are small metal ones).
FAREED H  Batteries are included - 3 small one's. The kind used in clocks. You have to tighten the base to activate the strobe, remember to loosen it when done with diving. Its a great device.
CHRISTOPHER P  If I remember correctly, batteries were included. Product came ready to use. They are not as bright as I had hoped.
VERONICA H  I believe they were included. We keep so many batteries it wouldn't have been a big deal if they weren't but I believe they were. We used these in addition to the chem lights and were very pleased.
MIKE N  Batteries are included :^)
BRENT S  Battery is included. However, I used this 1 time in late January (brand new), pulled it out to use in July and the battery had leaked and ate up the inside. Might want to consider something else.
LENORE N  yes, it comes with batteries, but eventually the burn out. Replacements are easy to find a the local RiteAid
MARK P  When I bought this item the batteries were included with the light.
Shopper  How many batteries does the light use?
LeisurePro S  This takes 3 A76 batteries.
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