BLACK & DECKER STHT77260 IntelliLaser™

Detects wood/metal studs through multiple wall thicknesses (1/2, 1, 1-1/2). Continuous live wire detection. LCD screen is backlit for visibility when detecting studs. Versatile 2-laser set can be used separately or together to create horizontal and vertical laser cross lines. Projects laser lines up to 20 feet onto a work surface Unique adhesive dots used to mount the laser module to most walls for hands-free operation (8 included). Required batteries - 9 Volt and 2 AAA (not included).