Multifunction laser level: directional machine, laser jet, ruler and tape measure (8 feet) 4 in 1, designed for every situation where a straight line or measurement is needed. 3 bridging levels: the laser level with a level, a block and a 45 bladder to determine the horizontal and vertical level. For more precise results. Comes with 3 AG 13 button batteries to make sure you continue with maximum comfort. COMPATIBILITY - Great for hanging pictures along a stairwell, hanging mirrors, installing curtain rods and other household items - The laser part can be separated from the set and used on its own - For use indoors only (ideal for father's gift). Easy to use: it is equipped with a selection button on the front. It controls the switching of vertical laser line, horizontal laser line and cross laser line mode and is suitable for different use modes, more precise and stable. 24 months quality guarantee and CE certificate. Our spirit level is CE certified and therefore safe, reliable and environmentally friendly. If you have any questions about the use and the product, you can contact Orthlande customer service at any time. We will solve the problem within 24 hours. Note: 1.Please press the key button when you take out the tape measure, it would make the tape measure better and easier to use. 2.Please loosen the knob of the wrench to lock the spool when the tape measure has been stretched to the length you want. 3 line modes Designed for any situation where a straight line or measurements are needed. Level bubbles A three-position leveling bubble can provide more accurate results. Measuring tape The tape measure is 8 feet long and includes imperial and metric measurements with graduations up to 1/32 and 1 mm