The TP-L6 pipe laser's smaller size, long-life battery, and convenient mobile app for Android devices make the new unit one of the most flexible on the market. Field crew members are able to spend less time physically entering manholes to make adjustments, thereby increasing safety. The mobile app puts the user in control remotely to visually assist with configuring settings and making adjustments. One fully charged battery can last for the whole week. Plus the same multi-use battery can power a variety of other Topcon equipment on active job sites. The TP-L6 is ideal for contractors that lay pipe required to be at specific slopes as well as projects involving trenching, sewers, mining, tunneling. A compact, next-generation pipe laser that can be monitored and controlled from your Android phone. It comes with the RC-500 remote control that operates the TP-L6's functions within a range of 600 Ft. and a grade range of -15% to 40% that makes elevation and grade matching easier.