Featuring the latest multipronged measuring technology, an improvement on all previous versions. 4-in-1 line laser, it combines a tape measure, a three-position leveling bubble and a level ruler in one tool. Laser level can measure whether the plane is uneven or hanging paintings, etc., LV03 laser level can play three lines: a word line, line of cross line (also known as angle line). The laser level of the beads, can measure whether the horizontal level and the LV03 laser level is also greater than a 45 degree angle of the water droplets Designed for any situation where a straight line or precise measurements are required, such as measuring locations on a wall, space between hangers and level nails.< /p> Features: 3 AG 13 button batteries for maximum convenience. Projection of vertical and horizontal laser beams Integrated tape measure 2.4 m with inch and metric scale. Accuracy reaches 1/32" and 1mm. Class IIIA laser products with output power less than 3.5mW. Foam balance in two ways. A good home decoration tool for hanging photos, installing household appliances, pasting wallpapers, adjusting furniture position and according to your imagination. Project horizontal or vertical laser. Lock the 2.4m tape measure. Standards and Indicators Suitable for any job requiring straight or precise measurements. Use this versatile laser level to hang pictures and install shelves. Lay flooring, wallpaper, etc. The laser features an on/off switch. Parameters: Model: Laser LV03. Material: ABS plastic. Dimensions: 63 x 35 x 188 mm Laser wavelength: 650 nm-680 nm. Power supply: AG13 battery (included). Net weight: 172 g. Accuracy: 0.01. Caution: Laser radiation, avoid direct exposure to eyes. Contents : 1 laser level