The Black & Decker Sure Grip All-in-one Laser Level BDL100AV is a versatile tool designed for measuring and leveling various surfaces. Featuring a red/green laser for improved visibility, this line/surface level is ideal for both indoor and outdoor use. The Sure Grip design ensures a secure hold during operation, while the audio signal provides additional guidance for accurate measurements. With its compact size and black color, this Black & Decker laser level is a convenient and reliable tool for home improvement projects and professional tasks.