DeWALT® 20V Max* Matrix™ Rotary Tough Laser, Self-Leveling, 2000 ft, +/-1/6 in at 100 ft Accuracy, Lithium-Ion Battery, +/-5° Auto Leveling Range, 3 Beam, Red Beam, 630 to 680 nm Wavelength, Laser Class: Class 3R, Tripod/Wall Mount, 23 to 122°F, Plastic, Black/Yellow, 11-7/8 in L x 17-1/4 in W x 13 in H DeWALT® 20V MAX* MATRIX™ DW079LR Self-Leveling Rotary Tough Laser, 2000 ft Measuring, +/-1/6 in at 100 ft Accuracy, +/-5° Auto Leveling, 3 Beams