Professional self-leveling cross-line laser features vertical, horizontal and cross-line modes and can project two lines independently or together for a broad array of alignment and leveling applications. VisiMax technology delivers maximum line visibility in standard working conditions. Smart pendulum system self-levels and indicates out-of-level condition to help ensure an accurate layout. It locks the pendulum after the laser is switched off for secure transport. The magnetic L mount provides strong magnets to attach to steel studs and a freestanding mode with retractable feet. 1/4'-20, 5/8'-11 mount threading. 14 deg F to 122 deg F operating temperature. 4.4 In. x 2.2 In. x 4.2 In. Weight: 1.08 Lb. (pound). Includes magnetic mounting bracket, laser target plate, (3) AA batteries, carry case.