Small Portable 2 Lines Laser Level Leveling Laser 3° Self Levelling Diagonal Line Multi-function Laser Level for Household Flooring Tile Layout Door Window Install This is a kind of fine quality level instrument, small in size but with powerful functions, with vertical and horizontal two laser lines, also with the 3° self-leveling function, this laser level can meet your daily or work use needs, come on and enjoy it, it will not let you down. Features: Portable Size: The small size of this laser level is very convenient for everyday use, you can carry it in your tool bag without taking up too much storage space. Wide Applications: This laser level can be widely used in home decoration, indoor wall decoration, interior decoration installation, door and window installation, building construction and other scenes. Automatic Leveling: With automatic leveling function, if the tilt <3° , it will automatically level, and if the tilt >3°, it will flash to alarm you. IP54 Waterproof: IP54 waterproof level makes it shockproof, waterproof, stable in performance and can provide a long service time. One-key Diagonal Line Mode: This laser level has the diagonal line function, you can use it with your own tripod to achieve this function. (Tripod NOT included.) Two light colors are available: green light and red light. The two light colors have their own characteristics, so you can choose the suitable one according to your needs. Specifications: Material: ABS Light color: green, red (optional) Wavelength: 520NM Self-levelling ranges: ≤3° Accuracy: ±1NM/7M Line width: 1-2mm Working distance: 20M Battery: 2 * AA batteries (included) Package size: 130 * 130 * 90mm / 5.1 * 5.1 * 3.5in Package weight: 350g / 12.3ounce Packing list: 1 * Laser Level 1 * Cloth Bag 1 * Connecting Screws 2 * Batteries​