Based out of Torrance, California, Dogtra strives to produce the world's finest remote training collars to help make every dog exceptional. Dogtra focuses on offering precise, durable, and user-friendly e-collars and GPS collars that are designed for the most demanding conditions. Dogtra offers a complete line of e-collars from small-breed pet trainers to a variety of sporting dog units as well as K-9 police work. (less)