Model#: DEWNDW089LG

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Dewalt DW089LG 12V MAX 3 x 360 Degrees Green Line Laser

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  • Dewalt DW089LG 12V MAX 3 x 360 Degrees Green Line Laser
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Product Overview


Projecting bright crossing horizontal and vertical lines, the DEWALT 12V 3 x 360 Degrees Self-Leveling Green Cross Line Laser is great for various leveling and layout applications. The 12V battery compatibility allows for long run times with the convenience of rechargeable power tool batteries.
  • 12V Lithium-Ion Rechargeable Power Tool Battery Platform for extra long run time and the convenience of rechargeable power tool batteries
  • Class 2 Laser Product, < 50mW Power Output, Wavelength 510-530 nm
  • Green Beam Laser Technology is four times brighter for visibility in long range interior applications and exterior visibility
  • Three 360 degree line lasers to aid in full room layout
  • Integrated Magnetic Bracket with 1/4 in. and 5/8 in. Thread for rear mounted magnets that allow flush attachment to metal track and steel
  • Full-Time Pulse Mode allows use with detector and maintains full brightness for visibility and extends range
  • Over-molded housing and IP65 water/debris resistance
  • Locking Pendulum to help prevent damage to internal components
  • 12V 3 x 360 Degrees Green Line Laser - DW089LG
  • (1) 12V 2 Ah Lithium-Ion Battery
  • Charger
  • Extended Ceiling Bracket
  • Blow Molded Case
Compliance and Restrictions
warning: This product can expose you to Lead, which is known to the State of California to cause Cancer and Birth Defect/Reproductive Harm. For more information go to


Cordless: Yes
Length: 17.75 in.
Width: 6.13 in.
Height: 12.5 in.
Weight: 3.6 lbs.
Accuracy Margin (Horizontal): ±1/8 in
Accuracy Margin (Vertical): ±1/8 in
Accuracy Margin Distance (Horizontal): 33 ft
Accuracy Margin Distance (Vertical): 33 ft
Batteries Included: 1
Battery Amp Hour: 2 Ah
Battery Life (Approx.): 14 Hours (1) line / 8 Hours (2) line / 5 Hours (3) line
Battery System: 12V MAX
Battery Type: Li-Ion
Bluetooth Compatibility: No
Case Included: Yes
Case Type: Hard
Charger Included: Yes
Effective Range (Visual): 100 ft
Laser Class: Class II
Laser Color: Green
Laser Diode: 510 - 530 nm
Operating Temperature (F).Run Time (Max.): 14 Degrees F to 122 Degrees F
Power Source: Cordless
Protection Class: IP65
Tripod Thread: 1/4-20 in, 5/8-11 in
Voltage: 12V
Wifi compatibility: No



4.8 / 5.0
16 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Yes, I would recommend this to a friend (5)
Easy To Use (2)
Powerful (1)
Battery Longevity (if applicable) (1)
Best Uses
Jobsite (2)
Frequent Use (1)
Large Projects (1)
Small Projects (1)
Great tool
Had this for a year now. Use it mainly for basement wall framing. Quick and accurate, very easy to see the green lines. The rechargeable battery is best. It doesn't work well for outside work. I would like to see a better tripod. It would be really nice to have a fine tune adjustment to turn the laser. 5 Stars on the laser. 2 Stars on the tripod
August 23, 2019
Originally posted at
Would you recommend this product?
Easy To Use
Battery Longevity (if applicable)
Best Uses
Bomb dot com
Fantastic tool . A must when working with steel studs and structural steel
May 16, 2019
6 months ago
Describe Yourself:
Best laser ever
Two and a half years I've owned this laser and I love it. Makes layouts a breeze.
March 10, 2019
Originally posted at
I Keep finding new ways to use it
Two years ago I bought this to make lining up ceiling tiles easier but I keep coming back to it to speed up framing, laying tiles, laying out decking, leveling floor joists in old houses that have shifted and countless other things. I even used it to trim my hedges! I now have the straightest and most level hedges in the neighborhood. :

But seriously, I am a renovation contractor and this thing has paid itself off a dozen times. I often get jobs based on the fact that I was so good at fixing other contractors messes using this level. True, I could have probably done it with another manufactures tool but I am a Dewalt guy and bought this one and it has performed flawlessly for two years.

The only trouble I had with it was seeing the line over 14 ft. distance on a sunny day while lining up a 36 ft second story deck. On that day I got over it by holding a white piece of paper over the area the line should have been to see it but have since bought the green laser detector for outdoor work. Indoors I primarily use it just on the floor or attached to a Task extension pole that allows me to lift it to any height I need. Task sells an attachment that fits the base of the level and clamps to the pole.
December 20, 2018
Originally posted at
Straight to the point and easy to use.
Needed a new laxer and this guy delivers. Easy to use and very accurate.
November 23, 2018
Originally posted at
Awesome laser
Bought this laser and has worked wonders for all different jobs like recessed lights, cabinet install, tile work, and trim work
This review was collected as part of a promotion
November 18, 2018
Originally posted at
Don't go another job without it!
For some foolish reason I waited to purchase this amazing tool. It has cut layout time and manpower in half. For a basement layout I can now accomplish the same layout in half a day with one person that used to take two guys most of the day with less accuracy. This is one of those tools that you will definitely ask yourself why you waited.
This review was collected as part of a promotion
November 15, 2018
Originally posted at
leave the string in tool box
really happy with this purchase ,was looking at for a few months did lot of research and of course price but i finally went for the purchase.. it gets used in lot of situations: stair hand rail ,screw lines,wall sign installing,tile, kicthen cabinets and the list could go on .finding it saves lot of time on the job site all in all glad to have in my dewalt line up these tools hold up to the day to day use
This review was collected as part of a promotion
November 13, 2018
Originally posted at
Real time saver
I originally bought this to lay out lights. It’s fantastic in that regard. The green light is highly visible in daylight and the three cross beam lasers are a time saver when it comes to layout. I used to use the regular cross line laser with vertical and horizontal but with the cross vertical lines, I no longer need a second laser. If this had a plumb bob as well, it would be the perfect laser but it is still my go to for all my layout needs.
This review was collected as part of a promotion
November 13, 2018
Originally posted at
Great but room for improvement
Broke down and spent the $500 + tax on this laser over a cross line, and/or a red one, because I didn't want to realize one day that I need the 3 × 360 or the green color and be forced to buy another one. As far as my expectations go, they've been met. But having only used other people's cross lines a few times i didn't take into consideration how difficult aligning 2 laser lines, each on 2 marks on opposite sides of the room. I now realize that ligning up the 3rd laser is, well, brutal. My suggestion to Dewalt is that it needs micro adjustment knobs for each lasee on the base. That would make this perfect I think.
April 14, 2018
Originally posted at

Questions & Answers

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Browse 14 questions Browse 14 questions and 17 answers
Can this be used for outdoor applications?
BIZZLE on Apr 12, 2017
Dewalt DW089LG 12V MAX 3 x 360 Degrees Green Line Laser
Dewalt DW089LG 12V MAX 3 x 360 Degrees Green Line Laser
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Dewalt DW089K Self-Leveling 3 Beam Line Laser Kit
Dewalt DW088K Self-Leveling Horizontal/Vertical Cross Line Laser
Dewalt DW088K Self-Leveling Horizontal/Vertical Cross Line Laser
Dewalt DW089LR 12V MAX 3 x 360 Degrees Red Line Laser
Dewalt DW089LR 12V MAX 3 x 360 Degrees Red Line Laser
BEST ANSWER: The green beam always shows up better than red in the sunlight. But it does have limitations with the distance in bright sunlight
I'm ceiling acoustic installer and we make big rooms, how the laser look at 100 ft...?
Chuck... on Apr 20, 2016
BEST ANSWER: OK, but starting to get marginal at 100 ft. Dimly lit room is a plus at that distance. The beam starts to spread a bit, too. Personally, for bigger rooms I just move it around from column to column. It is certainly accurate and having coverage of 3 complete planes is super. I have owned all of them since the 1980's. This unit is the best and most useful, no question.
Gerry A.
Sent from my iPhone
Can the laser use a 20volt 1.3 battery?
YellowMan540 on Mar 5, 2016
BEST ANSWER: 12v batteries only. But it sure is a SWEET machine. Buy it, you will Love It.
Sent from my iPad
Does it come with a receiver?
David M on Oct 19, 2019
BEST ANSWER: No, the receiver is not listed in the includes section. You can check with DeWalt directly at 1-800-433-9258, the agent can check if they have a model that includes the receiver.
Is it self leveling?
A shopper on Sep 14, 2019
Can this laser shoot slope walls?
A shopper on Aug 16, 2019
BEST ANSWER: Your question will be best answered by the manufacturer, who can provide you with the accurate information. The number to reach the technician is 1-800-433-9258.
Does this laser come in a Tstack Dewalt box?
HUGO R on Apr 21, 2018
Can this laser be calibrated?
Cesar C on Feb 7, 2017
BEST ANSWER: Yes.....Please see link to find a service center in your area.
Will this be good to lay out walls in commercial construction?
David N on Dec 28, 2016
BEST ANSWER: yes. with the 2 side mounted lights you can lay out intersecting walls at perfect 90's with out having to do a 3-4-5 check.
Does it come with a carrying case?
A shopper on Sep 15, 2016


The warranty on new DEWALT rotary lasers is as follows:

  • 90 Day Money Back Guarantee
  • 1 Year Free Service Contract (Includes 2 free calibrations)
  • 3 Year Limited Warranty