3-in-1 Laser Level - Combines a fine-tuning tape measure, triple-positioning level bubble, and new laser level to provide the most 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 any other light. Tapes Measures - Tape Measures Include Imperial and Metric Measurements APPLICABLE ANYWHERE - For a variety of levels and measurements precision, such as accurately hanging shelves and cabinets, tiles and picture frames. Product Versatile Laser Level A great tool for hanging pictures, installing appliances, hanging wallpaper and adjusting the position of furniture, beyond your imagination. Notes: 1. Please press the on/off button when you take off the tape measure, which can make the tape measure better and easier to use. 2. When the tape measure is pulled to the desired length, release the key button to lock the spool. 3 line modes Designed for any situation where straight lines or measurements are needed. Horizontal bubble Triple position vials provide more accurate results. Tape measure Backup battery: AG 13 button cell caution Laser radiation, avoid direct eye exposure! This item does not not suitable for children under 14 years of age. Improper use of the device may cause permanent eye damage.