3-in-1 Laser Level - Combines a fine-tuning tape measure, triple-positioning level bubble, and laser level to provide accurate measurements. 3 laser projection modes - Horizontal, Vertical, and Reticle. The laser nozzle can be adjusted. Bubble with LED lights - Horizontal, vertical, and bi-directional horizontal bubbles with LED lights. Can be used in the dark without additional lighting. Tape Measures - Include both Imperial and Metric measurements. APPLICABLE ANYWHERE - Ideal for precise leveling and measuring tasks such as hanging shelves, cabinets, tiles, and picture frames. Versatile Laser Level A practical tool for hanging pictures, installing appliances, hanging wallpaper, and positioning furniture. Notes: 1. Press the on/off button when extending the tape measure for optimal performance. 2. When the tape is pulled to the desired length, release the lock button to secure the tape. 3 Line Modes Designed for applications requiring straight lines or accurate measurements. Horizontal Bubble Triple-position vials offer improved accuracy. Tape Measure Backup battery: AG13 (button cell). Caution Laser radiation avoid direct eye exposure. This product is not suitable for children under 14 years of age. Improper use may result in permanent eye damage.