Topcon Taurus RL-H3D rotating laser level is the perfect choice for your grade checking, concrete forming, machine control needs, and more. Topcon RL-H3D is a one-person leveling system designed for the most rugged environments. Accurate, stable, and reliable, the RL-H3D is ideal for longer range measurements across your entire site. The RL-H3D transmitter sends a continuous self-leveled 360-degree laser reference over your entire work area, allowing you to work longer from each setup with greater accuracy. Topcon's automatic self-leveling provides quick and easy error-free setups. Just press the power button, and RL-H3D's fast and accurate leveling motors find level automatically so you can start working right away. The waterproof housing of the RL-H3D ensures maximum productivity anytime, anywhere.