The CST Berger green split beam horizontal and vertical self-leveling rotary laser level features Pro-Grade technology for the professional who demands fast and accurate leveling. Suitable for indoor or outdoor use and durable enough for construction projects. Includes laser detector for working range up to 1300-ft. diameter.Application:Indoor or outdoor.Range :1,300ft.Accuracy:+-1/16in at 100ft.Battery Included:Yes.Laser Output:Green.* Pro-Grade technology. * Super-fast electronic self-leveling.* Anti-Drift.* Horizontal and vertical capabilities.* Dual manual grade.* Green beam for better indoor visibility.* Working range up to 1300-ft. dia. when used with included laser detector.* Instrument includes rechargeable Ni-Mh battery, charger, remote control, ceiling targets, laser detector, wall bracket, glasses and carrying case