High Precision: The laser level emits a bright, clear green laser beam that is visible up to 100 feet away, making it easy to get precise results. Its high visibility and accuracy are explicitly designed for home or office use—safety class II, under1mW power output 3 x 360 Degree Full Layout Coverage: The LasGoo Laser Level is a 3x360 degree level designed specifically for any leveling or alignment project. It has one (1) horizontal and two (2) vertical lines and can rotate 360 degree in all directions, allowing users to cover the entire room and view the laser\'s position from any angle Two Rechargeable Battery Packs: The LasGoo laser level comes with two rechargeable lithium-ion batteries, and each battery can support 10 hours of work. With double battery packs, you could focus on your work and make it simple and efficient Self-Leveling and Manual Mode: If the pendulum is unlocked, the laser level will self-level within 4 degree; by exceeding 4 degree, the laser will keep flashing. To switch to manual mode, we need to lock the pendulum so you can align from different angles Delivery Package: The delivery package includes the LasGoo LG-3D Laser Level, 2 Rechargeable Li-ion Batteries, a Portable Bag, a Magnetic Liftable Rotating Stand, a Laser Target Plate, a Type-C cable, and a User Manual › See more product details