The Bosch GRL 350 HV Prof rotation laser is designed for high-accuracy leveling and alignment in construction and surveying. With a working range of up to 1,000 feet (300 meters) and an accuracy of ±1/8 inch at 100 feet (±3mm at 30 meters), it excels in large-scale projects. The laser features self-leveling for horizontal and vertical alignment and dual-axis rotation for versatile reference lines. It includes a remote control for convenient operation, a rechargeable NiMH battery pack for long battery life, and a rugged, weather-resistant design (IP54). Typically sold as a kit with a laser receiver, tripod, grade rod, carrying case, and more. Ideal for demanding job sites and professional use.