The DW089K is DEWALT's 3-beam self-leveling cross-line laser level, projecting two horizontal/vertical cross lines plus a third beam for 90-degree layout work. Features a 2x brighter diode for improved visibility in bright jobsite conditions, a built-in magnetic pivot bracket for mounting to metal surfaces, and a micro-adjust knob for precise vertical alignment over longer distances. Range is 50 ft. with ±1/16-in. accuracy. Runs on 4 AA batteries for up to 30 hours. Includes kit box and ceiling mount. Backed by DEWALT's 3-year limited tool warranty.
What does the third beam on the DW089K do?
The third beam creates a 90-degree layout plane, letting users establish a full room square or align partitions without repositioning the laser. Reviewers describe it as essential for tile layout and metal stud wall work.
How bright is the laser in lit indoor spaces?
The DW089K uses a 2x brighter diode compared to earlier models, and reviewers confirm it is visible across any indoor room even under standard commercial lighting.
Is the vertical line adjustable for precise alignment?
Yes. A micro-adjust knob allows fine tuning of the vertical plane without moving the laser body, which reviewers identify as critical for tiling and partition layout over distances beyond 20 ft.
How long do the batteries last?
DEWALT rates the 4 AA batteries at up to 30 hours of runtime. This is consistent with reviewer reports of extended use between changes.
Can it be used for large-scale commercial work?
Professional carpenters reviewing the DW089K report using it daily for acoustical ceilings, metal stud walls, door frames, and cabinet installs on commercial sites, citing the magnetic bracket as a key advantage.
Does it include a tripod or carrying case?
The DW089K ships with a ceiling mount and kit box but does not include a tripod. A 1/4-in.-20 tripod mount is built into the unit for use with separately sold tripods.
# DEWALT® Red Self-Leveling 3-Beam Cross Line Laser Level **Model:** `DW089K` **Brand:** DEWALT **Category:** Laser Level > The DW089K is DEWALT's 3-beam self-leveling cross-line laser level, projecting two horizontal/vertical cross lines plus a third beam for 90-degree layout work. Features a 2x brighter diode for improved visibility in bright jobsite conditions, a built-in magnetic pivot bracket for mounting to metal surfaces, and a micro-adjust knob for precise vertical alignment over longer distances. Range is 50 ft. with ±1/16-in. accuracy. Runs on 4 AA batteries for up to 30 hours. Includes kit box and ceiling mount. Backed by DEWALT's 3-year limited tool warranty. ## Specifications | Attribute | Value | |---|---| | Product Type | Line Laser Level | | Cordless / Corded | Cordless | | Power Source | Disposable Standard Batteries | | Laser Color | Red | | Self Leveling | Yes | | Maximum Distance Ft | 50 | | Measurement Accuracy | ± 1/16 in. | | Batteries Included | 4 | | Battery Size | AA | | Charger Included | No | | Height (in.) | 4.6 | | Length (in.) | 11 | | Weight (lbs) | 4.25 | | Width (in.) | 9.7 | | Country of Origin | China | | Barcode (UPC) | 885911231411 | | Mounting Method | Wall | | Warranty | 3-year limited (tool) | ## What's Included - (1) Ceiling Mount - (1) Kit Box - (4) AA Batteries for 30 Hours of Run-Time Source: https://www.jaspecs.com/dewalt/laser-level/dw089k-dewalt-red-self-leveling-3-beam-cross-line-laser-level/