This Bosch Professional Self-Leveling Cross-Line Laser – Green Beam (GCL100-40G) is a powerful tool for any home improvement project. With its advanced measuring technology, this laser level ensures accurate measurements for any task. It features a magnetic design for easy mounting and a self-leveling mechanism to ensure its accuracy. The laser level is designed with a green beam that is four times brighter than a red beam, making it visible even in bright daylight conditions. It comes with a battery included and is made of high-quality plastic and metal materials. This tool is perfect for both professionals and DIY enthusiasts who want to ensure accurate measurements for their projects.