The R.A.P.T. 1450 Upland remote dog trainer features a curved transmitter design with a strap for multiple grip positions. The Rapid Access button provides quick corrections and is programmable for all collar functions (Nick, Continuous, and Beeper modes). The collar is waterproof, rechargeable, and fits small to large dogs. The transmitter FLOATS on water. Easily expandable for up to 3-dogs and includes D.T. Systems' exclusive Vibration Assist Technology. Run Point, or Point only selection will not cancel out with a manual locate function and each dog has it’s own numbered tone identifier to quickly and easily identify by sound individual dog location and which dog is on point.Additional features include: Extra mild Gentle Touch Stimulation System, Transmitter "Lockout" feature prevents accidental stimulation, separate beeper tone option for each dog, beeper audible up to 400 yards (comes with adj. Volume cap), transmitter/remote uses easily replaceable 9V battery, and rechargeable (NiMH batteries) and completely waterproof collar. Expandable to 2-dog or 3-dog system with R.A.P.T. Add-On collars 1400 Yard (3/4 Mile) Range 16 intensity levels of Nick and Continuous static stimulation Includes Vibration Assist Vibration Training system MAXX-Range 360 Internal Collar Antenna System