This is a kind of fine quality level instrument, 2 lines for fine positioning, fine 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, wall stud layout and partition installation. You can have a try. 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 Color: black'green Battery: 2 * AA battery (not included) Laser ray: 2 lines Alarm angle: 3° Laser level size: 85 * 65 * 90mm / 3.35 * 2.56 * 3.54in Package size: 145 * 105 * 120mm / 5.71 * 4.13 * 4.72in Package weight: 400g / 14.11ounce Packing List: 1 * Level Machine 1 * Wall-mounted Bracket