Spectra Precision GL612N Rotary Grade Laser Level. The GL612N Single Grade Laser is a rugged, automatic self-leveling laser with grade capability from -25% to + 25% and can be used for a wide variety of grade, excavating, and alignment applications by general and specialty contractors. The GL612N comes with a radio remote control that provides fully functional capabilities up to 150m (500 feet) from the laser transmitter - even from the cab of a machine. The graphical, menu-driven interface makes the laser simple and easy to use and can be set to 16 different languages. The ability to operate the laser while working away from the laser transmitter can significantly reduce set-up times and increase productivity. IT COMES WITH CASE, RECEIVER, REMOTE RECHARGEABLE BATTERY PACK, AND CHARGER. THE CONTROL BATTERY COVER IS BROKEN YOU CAN SEE IT IN THE PHOTO, BUT IT'S WORKING WELL. WHAT YOU SEE IN PICTURES IS WHAT YOU GET. SE HABLA ESPAÑOL THANKS FOR LOOKING.