Product [Automatic alignment and manual mode]: The green crosshair is equipped with a slider switch, which can switch the level to self alignment and manual mode. Working in self-regulation mode. The self leveling level will automatically align within 5 seconds, with an inclination angle of≤ 4°. Lock the pendulum to activate manual mode and lock the lines that are manually aligned at other angles. You can choose the mode according to your own needs, which is convenient for you to use.High visibility and accuracy: Level II, output power<1MW. This level uses an ultra bright green beam, and under the same light source, the brightness of the green is twice that of the red, which is very precise, clear, and stable, suitable for indoor use. Our green level can provide a working distance of up to 30 meters(actual radiation distance depends on environmental brightness) and an accuracy of± 3 millimeters, fully compatible with indoor and outdoor projects. Adjust brightness In self alignment mode and manual mode, quickly press the top button of the switch to slightly increase the brightness. Suitable for various indoor and outdoor scenarios. You can adjust the brightness according to the environment.IP54 waterproof lightweight level, threaded socket is 1/4 inch, widely used: Our level is lightweight, easy to hold or carry around. The level has an IP54 protection level(waterproof, , cold, and high-temperature). Cross Line is the ideal choice for your murals, doors and windows, stairs, floor tiles, and other installation work. The tool also has 1/4"-20 threads, suitable for standard installation on tripods(not included in the kit) or columns(not included in the kit).[Note] The lines on this 2-line level can only be provided in vertical and horizontal cross mode, and cannot include horizontal or vertical lines separately.[Note] This product is powered by 3 AA batteries and does not include batteries. You need to buy your own. Happy shopping!Specifications:Name: 2-line levelMaterial: ABSColor: Green/Orange(optional)Type: Green levelConfiguration: Standard/Standard+Wall Mount/Top Mount(Standard+Wall Mount+Tripod) (optional)Power supply: AA battery(not included) wavelength: 515(nm)Accuracy: ± 0.2mm/mPacking list: (standard configuration)1 x 2 line level1 x manualPacking list: (standard+wall bracket)1 x 2 line level1 x wall bracket1 x manualPacking list: Top configuration(standard+wall bracket+tripod)1 x 2 line level1 x wall bracket1 x Tripod1 x manual