The DEWALT DCE079D1G Green Rotary Laser is a fully automatic rotary laser measuring tool, best suited to professional use in work site environments. Green lasers deliver a better working range, in comparison to red lasers, and are easier to see during daytime conditions. Features an automatic horizontal and vertical self-levelling with plumb and a levelling accuracy of ±1.5m@30m. It has a 76m visibility range and a 600m working range, when used with the detector. Includes a manual single slope mode (±10 ¡) and a scan mode in X and Y axis. The laser incorporates a heavy-duty rubber housing, that is IP67 rated against dust and splash. It has also been drop tested, up to 1 metre. Supplied with the following: 1 x Green Laser Detector, 1 x Green Laser Target Card, 1 x Green Laser Glasses, 1 x 18 Volt 2.0Ah Li-Ion Battery, 1 x 10.