Pm 2-Pe High-precision Point LaserDescription High precision plumb laser with 2 points and red beam Features Plumb bob laser self leveling, 2 point laser with red beam Longer range precision laser dot size optimized for alignment up to 30 m Longer range precision laser dot size optimized for alignment up to 100 ft Out of level and low battery alerts help prevent plumbing mistakes and unexpected downtime Robust build rubber coated housing and pendulum lock help to withstand real