The Topcon RL-H5A Self-Leveling Laser is a high-accuracy rotary laser level that offers a ±10 Arc Seconds precision. With a range of 800 meters, this model is equipped with alkaline batteries for long-lasting power and features a self-leveling method for reliable operation. The LS-80X Receiver ensures precise and efficient transmission of the laser beam, making it a top choice for various leveling tasks in construction, carpentry, and surveying.