DEWALT 150 ft. Red Self-Leveling Rotary Laser Level with Detector and Clamp, Wall Mount, Remote, Bag, (2) D and (1) 9V battery DW074KD - The Home Depot
Dewalt DW080LGS 20-Volt Max Tool Connect Green Tough Rotary Laser
DEWALT 20V MAX Laser Level Kit with Tripod and Grade Rod, Rotary, Green, 2000-Foot Range (DW080LGSK) - Amazon.com