DeWALT® Rotary Laser Kit, Class 3, Specifications: 1/16 in at 100 ft Accuracy, 20 V, 150, 300, 600, 1200 rpm Rotation Speed, 2000 ft Detector Range, 5° Self-Leveling, 11 pc, for use with: Laser, Green. DeWALT® DW079LGK Class 3 Rotary Laser Kit, 1/16 in at 100 ft Accuracy, 20 V, 150, 300, 600, 1200 rpm Rotation Speed