For precise sloped pipe applications, the Hilti PP 10 and PP 11 Pipe Lasers provide fast and accurate positioning and alignment of pipe segments. The PP 10 and PP 11 are waterproof up to 16 feet for up to 24 hours and can withstand extreme weather/jobsite conditions. Equipped with a high-powered red or green laser beam, the pipe lasers can be remotely operated up to 610 feet away from the tool. Both models can be mounted inside or on top of a pipe, on a tripod or in a manhole. The units come standard with a rechargeable battery pack (that can be charged from an outlet or car battery with an optional cable) or can be operated using four "D"