Feature: 1. Compact size, lightweight and portable, easy to carry with the case, providing quick and convenient mobility and storage. 2. Output 12 laser lines for finer positioning, with self-leveling system, flexibility and stability. 3. Adopts optical glass, fine transmission, with clear laser light. 4. Equipped with self-test calibration function, ≤3° automatic leveling, but if the angle is over 3°, the laser light will keep blinking and also has beep sound to reminding you to reset them on a flat ground. 5. Push button design, push left to open it, push right to close it. 6. Touching buttons design, horizontal line and vertical line with a clearly division. 7. The button is wear resistant, with high sensitive to switch the line mode quickly, and with comfortable hand feeling. 8. 1/4\" thread and 5/8\" thread on the bottom for easy connection, it can be used with tripod to adjust the working height of the machine. 9. 360° rotatable base, and with fine stability, can make the machine quickly find the target. 10. Watreproof and dustproof, suitable for both indoor and outdoor use. 11. Comes with one USB cable for recharging the built-in battery. Specification: The 3D laser level meter can emit visible lase 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: Compact size, lightweight and portable, easy to carry with the case, providing quick and convenient mobility and storage. Output 12 laser lines for finer positioning, with self-leveling system, flexibility and stability. Adopts optical glass, fine transmission, with clear laser light. Equipped with self-test calibration function, ≤3° automatic leveling, but if the angle is over 3°, the laser light will keep blinking and also has beep sound to reminding you to reset them on a flat ground. Push button design, push left to open it, push right to close it. Touching buttons design, horizontal line and vertical line with a clearly division. The button is wear resistant, with high sensitive to switch the line mode quickly, and with comfortable hand feeling. 1/4" thread and 5/8" thread on the bottom for easy connection, it can be used with tripod to adjust the working height of the machine. 360° rotatable base, and with fine stability, can make the machine quickly find the target. Watreproof and dustproof, suitable for both indoor and outdoor use. Comes with one USB cable for recharging the built-in battery. Note: The laser output maker is located on the output hole. Do not 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 * rechargeable battery, 3.7V, 4000mAh (included, you will find there are two lithium battery batteries inside if disassemble one) Laser ray: 3D, 12 lines Laser wavelength: green light 515nm Range: 7-10m Laser lines accuracy: ±1.5mm/7m Self-levelling-range: ≤3° Working temperature: -20℃ to 40℃ Item size: Level machine: 151 * 92 * 125mm / 5.94 * 3.62 * 4.92in Base size: 111 * 101 * 95mm / 4.37 * 3.98 * 3.74in Package size: 225 * 180 * 153mm / 8.86 * 7.09 * 6.02in Package weight: 1303g / 2.87lb Packing List: 1 * Level Machine 1 * Base Stand 1 * Power Adapter 1 * USB Cable 1 * Carrying Bag 1 * Guideline Package List: 1 * Level Machine 1 * Base Stand 1 * Power Adapter 1 * USB Cable 1 * Carrying Bag 1 * Guideline