This is a kind of fine quality level instrument, 16 lines for finer positioning, with 3° self-leveling system, flexibility and stability. With vertical and horizontal laser lines, convenience to use. It is perfect for a variety of uses, including flooring, tile layout, paneling, wallpapering, stenciling, wainscoting, finish carpentry, socket and switch layout, wall stud layout and partition installation. You can have a try. Features: Adopts optical glass, fine transmission, with clearly light. 16 lines for finer positioning, with self-leveling system, flexibility and stability. Equipped with self-test calibration function, ≤3° automatic leveling, but if the angle is over 3°, the light will keep blinking and also has beep sound to reminding you to reset them on a flat ground. Alarm function beyond the safety ranges. The magnetic-damping compensation system ensures quick levelling time. Three touching buttons design, the button is wear resistant, with high sensitive to switch the line mode quickly, and with comfortable hand feeling. Long press "V" button to reduce the brightness of light, and long press "H" button to increase the brightness of light. 1/4" screw size 360° rotation base for easy connection, it also can be used with tripod by it's 5/8inch thread to adjust the working height of the machine. Comes with one T-type wall mounting bracket, 7mm wall mounted distance, general for indoor and outdoor use. The level lift platform, height adjustable, -slip honeycomb texture design for increasing friction, more stable placement. Comes with 1/4 inch to 5/8inch adapter for easy connected with tripod to adjust the working height of the machine. Comes with one remote controller, "H"=vertical line, "V"=horizontal line, and you can adjust the quantity of lines easily by press the "+"or "-" button, and long press "V" button to reduce luminance and press "H" button to increase luminance. Comes with 1pcs target plate, with both metric and imperial units, and bracket on the back of the board for easy installing on the wall. Comes with the carrying bag, easy to carry, providing quick and convenient mobility and storage. Note: Please do not let the line shoot to your eyes directly. Specifications: Name: Level Main material: plastics+metal Battery: 2 * rechargeable lithium battery, 3.7V, 1200mAh (included, you will find there are two batteries inside if disassemble it) ray: 360°* 4, 16 lines(4D) Wavelength: green light 520nm Horizontal/vertical accuracy: ±1mm/7m Self-levelling-: ±3° Waterproof grade: IP54 Working distance: 10m Green light working temperature: -5℃ to 50℃ Level machine size(assemble with battery): 116 * 73 * 110mm / 4.57 * 2.87 * 4.33in Rotation base size: 97 * 82 * 73mm / 3.82 * 3.23 * 2.87in Wall mounted bracket size: 127 * 75 * 55mm / 5.00 * 2.95 * 2.17in Platform size: 112 * 92 * 32mm / 4.41 * 3.62 * 1.26in Target plate size: 117 * 75 * 14mm / 4.61 * 2.95 * 0.55in 1/4inch to 5/8inch adapter size: 23 * 23 * 32mm / 0.91 * 0.91 * 1.26in Carrying bag size: 220 * 195 * 130mm / 8.66 * 7.68 * 5.12in Item weight: 1140g / 2.51lb Package size: 250 * 220 * 150mm / 9.84 * 8.66 * 5.91in Package weight: 1300g / 2.87lb Packing List: 1 * Level Machine 2 * Battery 1 * Battery Adapter 1 * Rotation Base 1 * Wall Mounted Bracket 1 * Lifting Platform 1 * Remote Controller 1 * 1/4inch to 5/8inch Adapter 1 * Guideline 1 * Carrying Bag