The 4D laser level meter can emit visible laser horizontal and vertical lines for the automatic leveling separately or simultaneously. Provides accurate horizontal and vertical datums for indoor construction stakeout and calibration, easy to operate, and versatile. Suitble for flooring tile layout, paneling, wallpapering, stenciling, wainscoting, finish carpentry, wall stud layout and partition installation. You can have a try.   Features: Output 16 laser lines for finer positioning, with self-leveling system, flexibility and stability.  360° rotatable base, and equipped with fine adjustment mechanism, can make the machine quickly find the target.  1/4" screw size for easy connection, it can be used with tripod to adjust the working height of the machine.  Comes with wall-mounted bracket, can be easily attached to the floor tiles, wall stickers, and ceilings, all 7mm pitch.  Both indoor and outdoor, continuous laser or pulsed laser.  Equipped with self-test calibration function, ≤3° automatic leveling, ＞3° buzzer alarm.  IP54 waterproof and dustproof.  A well-designed accessory bracket expands the use of the instrument.  Rotation knob design, the lock is turned on, the instrument is turned on, and the power indicator is on.  Two touching buttons design, one OUT/H button, one V button, horizontal line and vertical line with a clearly division.  Comes with one remote control, "H/+"=vertical line, "V/-"=horizontal line.  The button is wear resistant, with high sensitive to switch the line mode quickly, and with comfortable hand feeling.  Easy to carry with the case, providing quick and convenient mobility and storage.   Note: The laser output maker is located on the output hole.  Dnot stare directly at the laser light.  Do not disassemble the instrument and perform internal repairs by yourself.  This instrument meets the laser radiation safety rating standard.   Specifications: Name: Laser Level;  Main material: plastics+metal;  Battery: 2 * 18650 battery, 3.7V, 2400mAh (included);  Laser ray: 4D, 16 lines;  Angle direction: 4 surface, 8 lines;  Display: LED display;  Wavelength: Green light 505nm, 10m both sides, 5m each side;  Laser lines accuracy: ±1mm/7m;  Self-levelling-range: ≤3°;  Alarm angle: ＞3°;  Waterproof grade: IP54;  Working time: 4-8 hours;  Working distance: 10m;  Green light working temperature: -20℃ to 40℃;  Level machine size: 97 * 154 * 157mm / 3.82 * 6.06 * 6.18in;  Bag size: 280 * 215 * 170mm / 11.02 * 8.46 * 6.69in;  Package size: 300 * 210 * 180mm / 11.81 * 8.27 * 7.09in;  Package weight: 1608g / 3.55lb;   Packing List: 1 * Level Machine;  1 * Wall Mounted Bracket;  1 * Base Stand;  1 * Lifting Platform;  1* Iron Board;  1 * Mini Remote Control;  1 * Power Cable;  1 * Carrying Bag;  1 * Guideline