Rotary laser GRL 400 H + LR 1 in L-BOXX. Easy to use and always ready - the intuitively operated GRL 400 H rotary laser, controlled with just one button, is ready for immediate use whenever outdoor leveling is required. Its one-button control panel, electronic self-leveling, and practical battery compartment allow for hassle-free operation with simple setup and easy battery replacement - without having to move the tool at all. With an accuracy of ± 2.4 mm at 30 m and an ADS impact warning function that alerts to the smallest positional changes of the device, the GRL 400 H prevents leveling errors and consistently delivers precise results. From determining cut and fill values for excavation and foundations to leveling concrete formwork and landscaping: this device performs excellently. Thanks to its IP56 ingress protection against water and dust, this rotary laser withstands harsh outdoor conditions.