The 4D laser level meter can emit the visible laser horizontal and vertical lines of the automatic levelling separately or simultaneously.It has an output of 4 360 degrees line lasers that form 16 cross lines.Can be attached to the tripod (1m),to the floor, wall or mounted on the ceiling all 7mm pitch.Can be used both indoors(25m) and outdoors (10m). It's easy to operate with the control panel on the top or you can use the smart remote control .It's has an alarm buzzer for automatic levelling, a well designed accessory bracket that expands the use of the machine.Has a boutique aluminum/plastic case for quick and convenient mobility and storage. Has wide application for auxiliary tile fixing, wall decorations, floor tile fixing, stair handrails fixing and calibration. It's  easy to operate and versatile.