Huepar Electronic Self-Leveling Rotary Red Laser Level Kit - 360 Horizontal Laser Beam Interior/Exterior Rotating Laser Level Tool with Receiver, Protective Glasses, Li-ion Battery, Hard Case RL300HR - - Amazon.com
Topcon RL-H5A Self Leveling Horizontal Rotary Laser with Bonus EDEN Field Book, IP66 Rating Drop, Dust, Water Resistant, 800m Construction Laser, Includes LS-80L Receiver, Detector Holder, Soft Case - - Amazon.com