DOGTRA E-COLLAR STANDARD FEATURES * Nick and constant stimulation modes, along with Dogtra's patented rheostat intensity control that provides an infinite amount of settings (1800 series excluded). * Some models offer our NON-ELECTRICAL stimulation, using a vibrating pager as an additional training tool. * Pocket-sized transmitters that feature user-friendly controls. * Digital electronics and long-lasting rechargeable Ni-MH batteries * Fully waterproof receivers (all models) * Waterproof transmitters (2000/1200 series) * Non-exposed antennas ALL PRICES INCLUDE SHIPPING IN THE US. Home Page Meet The Trainer Training Services Products Articles/ Newsletter Local Links Testimonials Contact Us 175NCP (Low to medium power) The 175NCP is an entry-level companion dog trainer for medium to large breeds. This compact trainer has a 400-yard range, nick and constant stimulation modes along with Dogtra's patented non-stimulating pager function. Features a durable waterproof receiver, water-resistant transmitter, and rechargeable Ni-MH batteries.