This laser level features a 360 degree rotatory scanning module with a tolerance of ±3° and allows for manual alignment. It has a working distance of 1650 ft and comes with a laser detector and eyeglasses for accurate signal capture and eye protection. The level is powered by 4PCS 1.2V NiMH batteries that run for 8-12 hours on a full charge and is IP66 rated for durability. It also features a rugged composite housing and a sturdy carrying case for easy transportation.