Piper 200 - W/Remote, Target and Li-Ion Battery   The Leica Piper series of pipe lasers are perfect for: storm and  sanitary sewer construction, gravity flow pipe line and anywhere  grade and line are required with a single beam. Choose from  the Piper 100 or the Piper 200 with Alignmaster. Powerful and compact, the Leica Piper is the only pipe laser that fits inside a 100 mm (four inch) pipe.              Features  Piper 200   -  Beam - Highly visible red beam   -  Display - Large, easy to read LCD display   -  Alignmaster - Automatic targeting system allows you to find the target for second day set-ups   -  Line and Grade locks - yes   -  Wide Line Adjustgment - Yes   -  Self-leveling  - Over full range   -  Grade entry  -  Direct of by digit   -  Remote Control  -  Yes, wireless   -  Housing  -  Rock solid metal   -  Battery Pack  -  Rechargeable, Lithium Ion   -  Waterproof  -  100%