Milwaukee USB Rechargeable Green Laser Cross Line And Plumb Points 3522-21 is a portable and magnetic laser measuring tool that can be used for various purposes. The device has a green color and is made of plastic material. It has a length of 6 inches, a height of 5 inches, and a width of 3.5 inches. The device weighs 2.2 lbs and is waterproof. This laser measuring tool features a cross-line laser level and plumb points that make it easy to use. It has a Milwaukee brand and model number 3522-21. The device uses laser technology to measure and layout tools. It is perfect for home and garden purposes.