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