The Juanjuan model 2-line is a multipurpose measuring tape and a laser level for both horizon and vertical alinements. The 8-foot tape measure locks and has both imperial and metric markings. This tool’s laser level has pinpoint accuracy using the latest multipronged measurements technology. It has a triple-positioned leveling bubble. This tool is the perfect tool for hang shelves, cabinets, laying tiles, hardwood flooring, hanging pictures, hanging wallpaper, and much more. It is designed for any situation where a straight line or accurate measurements are needed. This tool is powered by three-AG13 button cell battery, which does not come with the tool. The multipurpose tool has a max. output of 0.5MW and uses 650NM laser wavelength and the precision is within 0.01cm. The following Disclosure applies to this product AD-1 AD-2 AD-3 AD-4 CD-1 CD-2 CD-3 MD-1 MD-2 MD-3 MD-4 MD-5 SCD-1 SD-1 SD-2 SD-3 SD-4 SD-5 Shipping and Product Information Dimensions 8.35”X 3.27”X 1.57” Shipped From China Shipping Size Unknown Load Capacity Not Apply Product Weight 0.44 Lbs. Banded Product Yes JUANJUAN Shipping Weight 0.53 Lbs. Main Material Mutable Materials Process Time 1 Days 5 Days Main Color Black Shipping Time 20 Days 25 Days Mode 2255800651430040 AIL-2255800651430040