1. Easy, Calibration-Free Operation: Advanced pre-calibration technology allows for immediate use right out of the box, eliminating the need for manual adjustments and ensuring fast and accurate setup, streamlining workflows and improving efficiency. 2. Precise Horizontal and Vertical Calibration: Utilizing an advanced laser emission system, it provides precise horizontal and vertical lines for accurate leveling and alignment during construction, carpentry, renovation, and installation tasks, minimizing errors. 3. Durability: Crafted from a rugged aluminum or reinforced plastic housing, it offers excellent shock and drop resistance, maintaining stability and performance even in harsh working conditions, extending its lifespan. 4. Versatile: Suitable for a wide range of applications, including construction projects, home renovations, plumbing installation, photogrammetry, and mechanical installation, it's an ideal tool for professionals and DIY enthusiasts alike. 5. Portable and Flexible: Compact and lightweight, it features multiple mounting options, including tripod compatibility, allowing for easy attachment to a variety of surfaces for enhanced flexibility. Package Includes: 1 x A-grade Green Beam Laser Aligner 1 x 14250 Battery 1 x A-grade USB Charger Note: Due to differences in lighting and screen settings, the actual color may vary slightly from the image. Please allow for slight size differences due to manual measurements. Sold by dadangjia Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.