Features 90-Degree Lasers Lines: Projects highly accurate-perpendicular lines for perfect squared layouts. Accurate-Floor/Ground Leveling: Designed specifically for precise horizontal alignment on surfaces. High Visibility Lasers Beams: Ensures clear and easy-to-see lines for various applications. Ideal for Tiling & Flooring Projects: Perfect for setting tiles, laminates, and other floor coverings with-precision. Enhances Layout Efficiency: Speeds-up marking and alignment tasks compared to traditional methods. Simple One-Button Operation: User-friendly design for quick and hassle-free use. Versatile for Wall Layout: Can also be used for marking walls, cabinet installation, and more. Perfect for DIY & Professional Use: Suitable for both home improvement enthusiasts and tradespeople. Facilitates Straight Line Marking: Ensures perfectly straight lines for any project. Compact & Portable Design: Easy to carry and store, making it convenient for on-site work. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Power Supply: 3*AA batteries (self-provided) Functions and Parameters: Testing Distance: 16m Lasers Wavelength: 650nm Accuracy: 1mm/m Suitable for woodworking,, shelves, molding, tiling, or any other work requiring precise alignment. Dual bubble level for precise alignment on flat or straight surfaces; retractable I-beam keeps the line stationary during operation. ON/OFF switch. Built-in suction cups. Package List: 1 x Leveling Instrument