US
Black+Decker

BLACK+DECKER BDL190S Line Laser with Stud Finder

  • Line laser plus stud sensor in one tool
  • BullsEye auto-leveling
  • Finds wood and metal studs and live AC wires
  • LCD display
  • Class 2 laser, 1.5 mW max, 510-530 nm

Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A useful two-in-one for homeowners hanging pictures and shelves straight on studs. It is a simple level line tool, not a contractor layout laser.

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ASIN: B000B8LLH2Model: BDL190SCategory: Stud Finders

Overview

A living room wall full of picture frames is the job this BLACK+DECKER tool targets, finding studs and then projecting a level line to hang them on. Auto-leveling sets the line on its own, and the sensor flags live wires before you drill.

Combining stud finding and a level line removes one tool from the job and speeds up hanging rows of frames. The listing gives no line range or accuracy, so it is aimed at room-sized tasks.

Who it's for

DIYers decorating and organizing at home who want straight results without a bubble level. Professionals needing long range and stated accuracy should use a dedicated layout laser.

Pros and cons

Pros
  • Two tools in one
  • Detects live AC wires
  • Finds wood and metal studs
Cons
  • Line range and accuracy not listed
  • Battery details not stated
  • Horizontal line only described

Performance notes

Auto-leveling lets the laser settle to level on its own, so placement matters less than with a manual level. Wall texture and room light affect how far the line stays visible.

Specifications

BrandBlack+Decker
ModelBDL190S
Dimensions & fit
Wavelength510-530 nm
Capacity & performance
Laser output1.5 mW max
Other details
FunctionsLine laser, stud sensor, AC wire detection
LevelingBullsEye auto-leveling
Stud detectionWood and metal
DisplayLCD
Laser classClass 2

Frequently asked questions

Can the BLACK+DECKER BDL190S detect wires?

Yes. The stud sensor detects live AC wires as well as wood and metal studs.

Does the BDL190S level itself?

Yes, using BullsEye auto-leveling technology.

What laser class is the BLACK+DECKER BDL190S?

Class 2, 1.5 mW or less at 510-530 nm.