The Topcon LS-B100/110W is an automatic, hydraulic-compatible laser receiver designed for dozers, scrapers, excavators, backhoes, and drag-boxes. It features a secure mechanical mounting, 360-degree beam detection, adjustable on-grade accuracy, and works on alkaline or battery operation. It is designed in a water/dust-proof iron construction, with a large working range, a tilt indicator, universal pole clamp, and a multi-colour LED display.