Bosch GLM400C 400 Ft Blaze Outdoor Connected Laser Measure with Viewfinder, Includes 3 AA Batteries, Hand Strap, & Pouch
Best for
Best long-range (200ft+)
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Based on 1 trusted source
Current price
$272.06
Updated May 14, 2026 · 1 min read
Sources behind this verdict
10 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the Bosch GLM400C is the go-to long-range option for buyers who don't want to step up to Leica pricing. The 5-megapixel digital viewfinder with adjustable zoom is what reviewers consistently single out: r/Tools commenters note that "when it's bright out it's sometimes hard to find the red laser on farther distances, so the GLM400 has a camera and helps direct the laser." Verified-purchase reviewers on homedepot.com describe the color screen and accuracy as standout features. Expert coverage at toolsinaction.com points to the ±1/16-inch accuracy, 50-measurement memory, and 200-measurement storage as professional-grade specs, and the Bluetooth integration with Bosch's app gets the same positive treatment community members give to the GLM165-22.
What reviewers liked
- Digital viewfinder with adjustable zoom solves the bright-sun aiming problem flagged across community threads
- 400-ft range with Bluetooth and Bosch MeasureOn app integration
- Strong 4.5/5 Amazon rating across 570 reviews plus positive verified-purchase reviews at homedepot.com
- Significantly cheaper than camera-equipped Leica DISTOs with overlapping capability
Where it falls short
- Still a red beam — r/Tools users note finding the dot outdoors at full range can require fiddling
- Bulkier and pricier than is justified for purely indoor work
- Uses AA batteries; some reviewers would prefer a rechargeable pack at this price
Across the reviewers we read, the Bosch GLM400C is the go-to long-range option for buyers who don't want to step up to Leica pricing. The 5-megapixel digital viewfinder with adjustable zoom is what reviewers consistently single out: r/Tools commenters note that "when it's bright out it's sometimes hard to find the red laser on farther distances, so the GLM400 has a camera and helps direct the laser." Verified-purchase reviewers on homedepot.com describe the color screen and accuracy as standout features.
Expert coverage at toolsinaction.com points to the ±1/16-inch accuracy, 50-measurement memory, and 200-measurement storage as professional-grade specs, and the Bluetooth integration with Bosch's app gets the same positive treatment community members give to the GLM165-22. r/Tools threads do note that even with the camera, very bright direct sun at maximum range still requires patience — a real-world caveat worth surfacing.
At ~$272 it sits well below the Leica D5 while delivering the camera-assisted aiming that makes long outdoor shots practical, which is the core reason it scores where it does.
- Digital Viewfinder
- delivers 5.0 megapixels with adjustable zoom to locate the laser spot at far distances.
- Accuracy
- The laser measures up to 400 feet and provides accuracy up to +/- 1/16 inch.
- Backlit Color Distplay
- The easy-to-read display illuminates numbers with distinct resolution, for work in low-light or no-light conditions.
- Reinforced Screen Glass
- The screen glass provides increased durability and damage resistance.
- Measuring Features
- The laser measure includes 11 different measuring functions, including real-time length, length, area, volume and indirect functions, and addition/subtraction capability.
- Inclinometer
- The laser shows the tilt angle, 360 degrees for easy angle and indirect measurement.
- Measureon App
- Compatible with the Bosch MeasureOn app. The app provides a clear digital project overview, including floor plans, measurements, photos and notes.
- Class Ii Laser
- <1 mW
Works great against pretty much any surface inside. Outside use is hit or miss, takes some playing around if it's really sunny out. Had the bosh ...
It has almost no features, except point and shoot for the distance. For $100 ish it's range is farther and it's more accurate and easier to use ...
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“BOSCH 400' OUTDOOR LASER DISTANCE MEASURE REVEIW” · YouTube
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