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: High brightness green beam,20M visible outdoors.Service 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 project 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 will flash and beep continuously when the tilt angle is over 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 fixing methods.Equipped with 360 lifting platform base,shockproof and unbreakable,the height is adjustable from 0.98 to 3.54 inches. Features: