Self-leveling Laser: Offers a working range of up to 35 meters with a leveling accuracy of \(\pm 1.5\text{mm}\) at 7 meters. Laser Distance Meter: Measures distances from \(0.05\) to \(70\) meters. Features: Includes green laser beams for visibility, multiple measurement modes (area, volume), and backlit display. Power: Typically includes batteries, as shown in the kit components.