Opinions about Bosch GCL 2 15

Main advantage:

It is one of the most versatile laser levels in terms of functions, since it has a vertical line, a horizontal line and projection of points up and down. As if that were not enough, they can all be activated and deactivated together or independently.

Main disadvantage:

When using this model it is necessary to try all the projection functions until selecting the most suitable one. This is because it does not incorporate memory to remember the last option you used.

Verdict: 9.9/10

The compatibility with multiple accessories that complement its functionality stands out. In addition, it provides autonomy between 6 and 22 hours, depending on the number of projections you have active.

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Main Features Explained

To be

This model provides a versatile and functional red laser, which can be used in different tasks for professional or domestic purposes, thanks to the fact that you can project it in various ways according to your convenience, which is why it is considered by many to be one of the best levels To be. In this sense, it offers the basic horizontal and vertical lines, but also incorporates two fully centered plumb points, which allow an optimal level of visibility.

It is possible to position the lines around the plumb points, increasing the functionality of this laser level and allowing more extensive measurements to be made. In the same way, you can project one line on top of the other to achieve a cross shape or individually to save energy.

It is important to highlight the range of the laser, since it offers up to 15 m of distance, likewise, the laser points can be projected a maximum of 10 m up and 10 m down. Its lines are of intense color to better visualize them from a distance and the vertical line can reach an extension of 360° depending on the space.


It has been designed to self-level in as little as 4 seconds, however this only happens if you are within a 4° tilt range. Therefore, it is suitable for placing on a number of straight surfaces that are generally slightly inclined.

It has a robust housing with IP54 protection, capable of protecting its internal circuits against the ingress of dust, as well as against humidity and accidental water splashes. According to the opinions of some users, this is one of the most appropriate laser levels to use in professional and demanding engineering and construction spaces, in addition, it has an affordable price.

In terms of accuracy, the plumb point offers ± 0.7 mm/m, while the leveling is ± 0.3 mm/m, that is, accurate enough to use in the creation of structures and industrial works. It incorporates an easy-to-slide side switch, indicated to turn on the laser and block it if necessary, which avoids a wrong measurement and gives you greater confidence during its use. It also has two LED indicators on the back, one to show the battery status and the other for the tilt function.


One of its main accessories is the RM 1 Professional multifunction support, which is indicated for using the laser in various places, especially in spaces under construction or remodeling, which generally do not have enough flat surfaces to place the level. In addition, it is a flexible model that incorporates a powerful magnet on the back, to be able to fix it on walls, ceilings or metal surfaces and rotate it on its own axis.

Also, it has an attractive light blue storage bag, so you can take it everywhere safely and comfortably. However, you can get it in its presentation with a briefcase to give away. In addition, it has a red reflective guide plate, which will help you position the laser more comfortably. On the other hand, the manufacturer recommends storing it in places with a temperature between -20 and 70°C.

As for its power supply, this model needs 3 AA 1.5 V LR6 batteries, which are included in the package, which will make it possible to use it immediately, providing autonomy of up to 22 hours if you use only the points, while in dot and cross line mode offers about 6 hours of operation. As if that were not enough, with the use of a tripod that you can buy separately, it is also possible to project lines diagonally and with exact inclination, which allows you greater versatility.

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