Feature: 1. Automatic Leveling Technology: The Laser Level features a ±4° automatic leveling range, ensuring precise and reliable measurements without any manual adjustments required, and Class 2M safey level laser beam making your tasks effortless. 2. Ideal for Various Applications: This versatile Laser Level is perfect for construction sites, interior design projects, and DIY tasks, providing you with accurate alignment every time to enhance your work efficiency. 3. Adjustable Tripod for Height Versatility: Accompanied by a 60cm tripod, this Laser Level offers three adjustable height settings, allowing you to adapt easily to different working environments for maximum convenience. 4. Customizable Brightness Options: With dual brightness settings, you can choose between high brightness mode (up to 4.5 hours) or standard brightness mode (up to 14 hours), optimizing battery life while ensuring excellent visibility during usage. 5. Reliable Power Source: The Laser Level operates on 2pcs AA batteries, providing long-lasting performance in various conditions, so you can rely on it for all your leveling needs. Perfect for home decoration, installation of the floor, framework, laying of tiles and wall charts, etc. Specification: Automatic leveling range: ±4° Accuracy: 3mm/10m Number of laser lines: 2 lines Wavelength: 520nm±2% green light Laser safety level: Class 2M Working range: 20 meters or 50 meters with receiver Working time: High brightness: 4.5 hours (2 AA batteries), normal brightness: 14 hours (2 AA batteries) Power supply: 2 1.5V AA batteries (included) Net weight: 129g Product size: 6.5*5*6.5cm Package List: 1 x Laser Level 1 x Tripod 1 x User Manual 1 x Cloth Bag 2 x AA Battery