This is a Black & Decker BDL-310S Projected Crossfire Auto Level Laser. It's a precision laser level designed for professional use in various construction and surveying projects. With its advanced measuring technology and auto level feature, this product ensures accurate and reliable results. Made by the trusted brand Black & Decker, this laser level is a top choice for professionals seeking high-quality equipment for precise measurements. Includes the storage bag and the instruction manual. This laser was only used once for a small homeowners project. Laser is like new and works perfect. Please email me with any questions.