This is a kind of fine quality level instrument, 4D 16 lines for finer positioning, with self-leveling system, flexibility and stability. Provides accurate horizontal and vertical datum for indoor construction stakeout and calibration, easy to operate, and versatile. Comes with one extension bar, which is made of thicken aluminum alloy material, 3-heights adjustable, suitable to most of laser level with 5/8" interface. Suitable for flooring tile layout, paneling, wallpapering, stenciling, wainscoting, finish carpentry, wall stud layout and partition installation. You can have a try. Features: Laser Level: Compact size, lightweight and portable, providing quick and convenient mobility and storage with the carrying box. Output 16 laser lines separately or simultaneously for finer positioning, with 3° self-leveling system, flexibility and stability. Using fine quality laser diodes and high p-recision conical mirrors, the lase lines emitted is fine and bright with high accuracy, and the brightness is adjustable. Equipped with self-test calibration function, ≤3° automatic leveling, but if the angle is over 3°, the laser light will keep blinking and the laser level will make a beep sound to reminding you to reset them on a flat ground. LCD display design, you can see the battery remaining capacity clearly. Push button design, push right to open it, push left to close it. Touching buttons design, horizontal line, vertical line and tilt line with a clearly division. The button is wear resistant, with high sensitive to switch the line mode quickly, and with comfortable hand feeling. Press the "OUTDOOR" button for 3 seconds to enter tilt mode then you can place the laser tool at any-angle to project the tilt lines; Press the "OUTDOOR" button shortly or long time press "H" or "V" button, you can adjust the laser brightness according to the working condition freely. Comes with one remote controller, "V"=vertical line, "H"=horizontal line, and you can adjust the brightness of laser light easily by press the "+"or "-" button. Scanning QR code on the back of remote controller to download cellphone APP, convenient to control the level machine. The laser level is controlled by the APP through BT connection, and also has electric quantity display, laser light brightness adjustable and voice control function. The T-shape bracket with 7mm wall mounted distance, which has 360° rotatable base, and equipped with fine adjustment mechanism, can make the machine quickly find the target (1/4 inch screw size). With 360° rotatable base, with 1/4 inch thread, for easy connected to 1/4 inch thread tripod to adjust the working height of the machine. 1/4 inch to 5/8 inch thread adapter for easy connection, it can be used with 5/8inch thread tripod to adjust the working height of the machine. The laser level lifting bracket, height adjustable, anti-slip texture design for increasing friction, more stable placement. Waterproof and dustproof, suitable for both indoor and outdoor use, continuous laser pulsed laser. 1.2m Tripod Stand: Made of thicken aluminum alloy material, firm with fine load-bearing, not easy to deformed and not easy to break. Three heights adjustable, you can adjust according to your demands easily. Equipped with bubble-level to help you to check whether the tripod is horizontal or not. Equipped with rocking bar to adjust to height of the tripod, smooth and effort saving. With fixed plectrum to control to extend length to lock it tightly. Suitable to most of laser level with 5/8" interface. 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 Type: blue-EU Plug, blue-US Plug, blue-UK Plug, green-EU Plug, green-US Plug, green-UK Plug (optional) Laser class: class 2, output power 1mW Line type: 4 * 360° Wavelength: 532nm (Green) Battery: 2 * rechargeable lithium battery, 3.7V, 2400mAh (included) Horizontal/vertical: ±0.2mm/10m Automatic leveling-range: ±3° Working temperature: -5 to 50 Waterproof grade: IP54 Working distance: 25m Tripod stand interface: 5/8" Level machine: 130 * 102 * 134mm / 5.12 * 4.02 * 5.28in Tripod base size: 96 * 82 * 72mm / 3.78 * 3.23 * 2.83in Wall-mounted bracket size: 161 * 71 * 89mm / 6.34 * 2.80 * 3.50in Iron-board: 100 * 60 * 12mm / 3.94 * 2.36 * 1.47in Lifting platform size: 127 * 90 * 30mm / 5.00 * 3.54 * 1.18in Carrying bag size: 220 * 233