laser level Self Leveling 16 Lines 4×360° for Picture Hanging and Construction, High-capacity Lithium Battery$$Tools & Hardware Other

This laser level is an automatic gravity-leveling model. It is suitable for interior decoration. The usable distance indoors is 7-10 meters, and the error within this range is ±2 millimeters. The laser emitted by the machine has four 360° surfaces. The laser power is ≤ 1 mw, which complies with the second-level laser standard. The machine is powered by lithium batteries and can be recharged for repeated use. The battery capacity is 3600 milliampere-hours. The machine is equipped with a battery level indicator. This battery level display can help you roughly estimate how much remaining battery capacity you have.