Amazon.com: BOSCH GLL 2-15 Self-Leveling Cross-Line Laser Kit- Discontinued by Manufacturer : Tools & Home Improvement
Extreme Safety : Bosch GLL 2-15 Professional Self-Levelling Cross Line Laser, 15 m Measuring, +/-0.3 mm/m Accuracy, +/-4 deg Auto Leveling, 2 Beams, (3) 1.5 V LR6 AA Batteries