If you measure rooms and layouts beyond 100 feet or want the finer stated accuracy with on-device memory, get the Bosch BLAZE Pro GLM165-40 165 ft laser measure; if you do takeoff-style estimating and want measurements sent to your phone, get the DEWALT DW099S 100 ft Bluetooth laser measure. The Bosch GLM165-40 measures up to 165 feet with maker-stated accuracy up to plus-or-minus 1/16 inch, a backlit display, storage for up to 10 measurements, add/subtract functions, distance/area/volume/indirect modes and a default real-time mode that adjusts the reading as you move. The DEWALT DW099S measures up to 100 feet, pairs over Bluetooth with the Tool Connect app for transferring readings, calculates area and volume with add/subtract functions, and runs on two AAA batteries behind a backlit LCD. On 09/13/2026 the exact Bosch Amazon listing showed a Buy New block with Add to Cart and Buy Now shipping from and sold by Amazon.com, and its This-item module listed $69.00 and In Stock with delivery as soon as Thursday, Sep 24; the main buybox price sits behind an add-to-cart step, so confirm the live price before deciding. The exact DEWALT Amazon listing showed an add-to-cart block for the exact variant, and its This-item module listed $135.33 and In Stock, ships from and sold by Amazon.com, with delivery as soon as Thursday, Sep 17; the same page also surfaces a Used-Like New line via Amazon Resale and a lower-price-from-other-sellers note, so confirm the new-variant seller at checkout.
Choose by your situation
| Situation | Model to consider | Main tradeoff |
|---|---|---|
| You lay out long rooms, hallways or exterior runs and want the longest reach with the finer stated accuracy and memory for 10 readings | GLM165-40 | No Bluetooth or app transfer; readings stay on the device and in your notebook. |
| You build estimates, punch lists or floor plans and want readings moved to your phone through the Tool Connect app | DW099S | 100-foot range is 65 feet shorter than the Bosch, and the observed This-item price is $66.33 above the Bosch line. |
Two pocket laser measurers, side by side
| Criterion | GLM165-40 | DW099S |
|---|---|---|
| Maximum range stated | 165 feet, per the maker and the listing | 100 feet, per the maker and the listing |
| Accuracy stated | Up to plus-or-minus 1/16 inch, per the maker and the listing | No accuracy figure appeared in the observed maker or listing text, so compare on range and workflow instead |
| Display | Backlit display that illuminates measurements, per the maker | Backlit LCD screen, per the maker |
| Measure modes | Distance, square footage, volume and indirect measurement, per the maker | Area and volume calculation with add/subtract functions, per the maker and listing |
| Reading workflow | Default real-time mode plus storage for up to 10 measurements on the device, per the maker | Bluetooth pairing with the Tool Connect app for transferring readings, per the listing |
| Jobsite toughness stated | Withstands rainy or dusty conditions, IP54 rated, per the listing bullets | Yellow-and-black jobsite casing; no ingress rating appeared in the observed text |
| Power | Rechargeable-free handheld format; pocket or tool-belt size, per the maker | Two AAA batteries included, per the maker |
| In the box stated | Handy wrist strap for carry-along convenience, per the maker and the listing | Two AAA batteries included with no charger, per the maker |
| Warranty stated | 1-year limited warranty with an additional year when registered within eight weeks, per the maker | 3-year limited warranty with 1-year free service and 30-day satisfaction, per the maker |
| Observed Amazon standing | 4.7 out of 5 stars across 5,861 ratings with 2,000+ bought in the past month and Amazon's Choice at observation | 4.4 out of 5 stars across 626 ratings with 50+ bought in the past month at observation |
GLM165-40: the longer-reach pocket measure
The Bosch BLAZE Pro GLM165-40 165 ft laser measure suits DIYers and tradespeople who want maximum reach in a pocket tool: 165 feet of stated range, stated accuracy up to plus-or-minus 1/16 inch, a backlit readout, ten stored readings, and distance/area/volume/indirect modes with a real-time mode for walking a measurement in. The listing bullets add an IP54 dust/splash rating and a wrist strap for carry. Its limits are about workflow, not reach: there is no Bluetooth or app transfer, so readings move by hand, and the maker warranty needs registration within eight weeks for the second year. The Amazon US listing carried a 4.7-out-of-5-star rating across 5,861 ratings with 2,000+ bought in the past month and Amazon's Choice at observation.
DW099S: the Bluetooth takeoff companion
The DEWALT DW099S 100 ft Bluetooth laser measure suits estimators and remodelers who want readings on their phone: it pairs over Bluetooth with the Tool Connect app, calculates area and volume with add/subtract functions, and shows results on a backlit LCD while running on two included AAA batteries. Its limits are range and observed cost: 100 feet is 65 feet shorter than the Bosch, no accuracy figure appeared in the observed maker or listing text, and the observed This-item line was $135.33 against the Bosch $69.00. The Amazon US listing carried a 4.4-out-of-5-star rating across 626 ratings with 50+ bought in the past month at observation.
Where to check the exact variants
Compare the Bosch GLM165-40 165 ft laser measure (Amazon listing with Add to Cart and Buy Now, shipping from and sold by Amazon.com; This-item line observed In Stock at $69.00 on 09/13/2026) against the DEWALT DW099S 100 ft Bluetooth laser measure (Amazon listing with Add to Cart; This-item line observed In Stock at $135.33, ships from and sold by Amazon.com, on 09/13/2026; the same page also lists a Used-Like New line via Amazon Resale, so select the new variant at checkout). Either covers pocket laser measuring for its workflow; the Bosch covers longer reach with finer stated accuracy and on-device memory, the DEWALT covers phone-paired takeoff transfer.