You can take this slim, compact 100-foot laser distance measurer to almost any job site, as it conveniently fits in your pocket. Effortless measuring is made possible by the device's 2-button operation, allowing the user to quickly switch between measurement units (feet, inches, and meters). For good readability both indoors and outdoors, the backlit LCD screen remains consistently bright and is designed to make it easier for you to read measurements in direct sunlight. With this versatile laser distance measurer, you can add, subtract, or calculate area and volume measurements while tackling a range of construction planning and layout tasks. 2 AAA batteries included. Versatile: Adds, subtracts, and performs area and volume calculations for measuring and layout applications. Simple 2-button control: Converts between imperial and metric systems to display measurements in feet, inches, and meters. Built for portability: Compact size for easy transport on the job site.