RL-VH4DR/RL-VH4G2 Multi-Purpose Rotating Lasers Compact in design with integrated handle and weighing only 5.7 lbs., the RL-VH4DR and RL-VH4G2 are truly portable and easy to set up. If you're looking for exceptional value and more options in your Construction Lasers. look to Topcon. Topcon's new RL-VH4 Laser Series lets you pick the tool that is best for your job and your budget. Choices are Good You can select from either a Red or Green Beam and either an Interior or General Construction model. All of the RL-VH4 Lasers are multi-purpose, accurate and durable. Fastest Setup These Lasers are made for fast setup time. The Electronic Self Leveling feature puts you a buttons push away from getting to work.