The Spectra Precisionr Laser CR600 Receiver is ideal for contractors doing both site prep and general construction. The CR600 can be either rod or machine mounted, making it ideal for a wide range of applications. Using the magnetic mount, the CR600 receiver is easily moved between backhoes, small excavators, box blades or skid steer loaders. With such a high degree of flexibility, the CR600 needs to be tough enough for any job. Designed for tough construction site conditions. Rugged, waterproof, lightweight magnesium housing can withstand a drop of up to 3 m (10 ft) on concrete. Super-bright colored LED elevation indicators visibly indicate grade elevation information to the operator even in poor light and up to 100 m (350 ft) in bright sunlight. Sometimes referred to as a lazer