Feature: 1. 1. High Precision with 4D 16-Line Positioning: Equipped with a 4D 16-line positioning system for more precise and detailed work, ideal for both horizontal and vertical alignments in interior construction. 2. 2. Automatic Self-Leveling System: Features an advanced self-leveling mechanism that ensures accurate readings within 3°, making it incredibly easy to use even for beginners. 3. 3. Versatile Use Adjustable Extension Pole: Comes with an adjustable extension pole (3 height settings) compatible with most 5 or 8" laser level interfaces, enhancing its versatility across various applications such as tiling, paneling, wallpaper hanging, and stud framing. 4. 4. Compact and Portable Design: The compact design, coupled with a carrying case, makes this laser level easy to transport and store, perfect for professionals on the go or DIY enthusiasts working in multiple locations. 5. 5. Laser Diodes and Precise Mirror: Utilizes top-grade laser diodes alongside high-precision conical mirrors to produce clear, bright, and highly accurate laser lines, with adjustable brightness for optimal visibility under different lighting conditions. 6. 6. Self-Calibration and Safety Alerts: Incorporates a self-check calibration function. If the unit is placed at an angle greater than 3°, the laser will flash continuously, and the device will emit a warning beep, prompting the user to reset the instrument on a flat surface, ensuring safety and accuracy in every project. Specification: Horizontal accuracy: 1.5mm or 7m Vertical accuracy: 2mm or 7m Lower point accuracy: 1.5mm or 1.4m Orthogonal accuracy: 90° 60" Zenith accuracy: 1mm or 5m Emission angle: vertical 360° Vertical line emission angle: 360° Horizontal line emission angle: 360° Automatic leveling range: about 2.5° Wavelength: 532nm (green) Laser emission level: safety standard level 2 Working temperature: -10°-and50℃ Battery: 2400mAH x 2 Working distance: 25 meters Package List: 1 x Level 2 x Batteries 1 x Charger 1 x Tripod 1 x Lifting platform 1 x Iron plate 1 x Wall mount 1 x Remote control 1 x Instruction manual 1 x Plastic box 1 x 1.0m tripod 1 x Glasses 1 x Tripod interface 1 x Window clip