The Bosch GCL100-80CG 12V Max (green beam) and Bosch GCL100-80C 12V Max (red beam) Connected Cross-Line Lasers with Plumb Points deliver all-in-one versatility that combines cross-line laser precision and two laser plumb points. Ideal for the user who works on jobs involving leveling and aligning, these tools feature the Bosch-exclusive VisiMax technology, which monitors tool temperature and power consumption to deliver the brightest line for the job and Bosch 12V Max Lithium-ion power for extended runtime.