Feature: 1. [High Visibility Green Beam] This laser line level features green beam that offers excellent visibility, ensuring clear measurements in any environment. 2. [Adjustable Brightness] The brightness of the laser line can be adjusted to suit your needs, allowing for customization of different brightness levels. 3. [Stable and Smoothly Measurements] The laser line provides smoothly and stable measurements without any shaking, making it convenient for accurate leveling tasks. 4. [Long Lasting Lithium Battery] Equipped with a high capacity lithium battery, this leveling tool frees you from power sources, allowing you to measure anytime, anywhere. 5. [Portable and Lightweight] Crafted from ABS material, this laser line level is sturdy, long lasting, compact, and easy to carry, offering convenience for measurements. Specification: Item Type: Laser Line Level Material: ABS Measurement Accuracy: 10m±3mm Working Distance: 30m Horizontal Compensation Range: 4°±1° Laser Wavelength: 520-530nm Diffusion Angle: 165° Waterproof Grade: IP54 Storage Temperature: -20~60℃ Level Battery Model: 4.2V Lithium Battery x 1 (Built in) Level Battery Capacity: 1000mAh. Package List: 1 x Laser Line Level 1 x Charging Cable 1 x Cloth Bag 1 x Lifting Platform 1 x L Bracket 1 x Instruction Manual