4 360 laser planes: 2 horizontal 360 lines and 2 vertical 360 lines provide leveling coverage complete in baseboards, floors, walls and ceilings all around the room. 4000mAh Battery: Green Beam high brightness, 20M visible outdoors.time can be extended up to nearly 8 hours with 4000mAh rechargeable battery (charger is included). Range: 30m | 1mm/10mWith the powerful laser diode, the laser lines are highly visible and easily cast a bright green laser plane. Accuracy of the laser plane: 1 mm / 10 m (radius). Range: 25 meters . 3 Self-Leveling Alarm: IP54, LCD Display, 10m Remote Control, 3 Self-Leveling System The laser level flashes and beeps continuously when the angle of inclination is greater than 3. Minimize 7mm on the wall, 6mm on the floor. Easy to install: Strong magnetic wall mount, 1/4" and 5/8" mounting thread is provided to meet different mounting methods. Equipped with 360 elevating platform base, shockproof and shatterproof, height is adjustable from 0.98 to 3.54 inches. Features: