The 3D laser level meter can emit visible horizontal and vertical laser lines for self-leveling separately or simultaneously. Provides accurate horizontal and vertical references for interior construction layout and calibration, easy to use and versatile. Suitable for floor tile layout, paneling, wallpaper, stenciling, wainscoting, finish carpentry, wall stud layout and partition wall installation. You can try. Features: 12 laser lines output for finer positioning, with self-leveling system, flexibility and stability. The 360° rotatable base and equipped with a fine-tuning mechanism allow the machine to quickly find the target. 1/4" screw for easy connection, it can be used with a tripod to adjust the working height of the machine. Waterproof and dustproof, suitable for indoor and outdoor use. Adopts optical glass, K9 material, fine transmittance, with clear laser light. Equipped with self-test calibration function, automatic leveling ≤3°, but if the angle is greater than 3°, the laser light will keep flashing to remind you to reset them on a flat ground. Rotation button design, turn clockwise to open, turn in the opposite direction to close it. Two touch buttons design, one OUT/H button, one V button, horizontal line and vertical line with clear division. The button is wear-resistant, with high sensitivity to change 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 manufacturer is located on the output hole. Do not look directly at the laser light. Do not disassemble the instrument or perform internal repairs yourself. This instrument meets the laser radiation safety evaluation standard. Specifications: Name: Laser Level Main Material: Plastics + Metal Battery: 1 * Rechargeable Battery, 3.7V, 4800mAh (Included, you will find there is two 18650 batteries inside if you disassemble it) Laser Beam: 3D, 12 lines Range: 30m Laser Line Accuracy: ±0.2mm/m Laser Light Color: Green light Self-leveling Range: ±3° Leveling Time: ＜4s Laser Class: 2 Working Temperature: -10℃ to 40℃ Storage Temperature: -20℃ to 70℃ Humidity: 90% Continuous Time: 3-9 hours Assemble Size: 137 * 110 * 217mm / 5.39 * 4.33 * 8.54in Item Weight: 1106g / 2.44lb Package size: 230 * 185 * 160mm / 9.06 * 7.28 * 6.30in Package weight: 1291g / 2.85lb Packing list: 1 * Level machine 1 * Base bracket 1 * Power adapter 1 * Carrying bag 1 * Guideline