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 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 collars for K-9 police work. (less)