The term shock collar is a term used in order to describe a family of collars (also called e-collars, Ecollars, remote training collars, Zap collars, or electronic collars) that deliver of varying intensity and duration to the neck of a dog (they can also be applied to other places on the dog's body, to achieve various training effects) via a radio-controlled electronic device incorporated into a dog collar. Some collar models also include a tone or vibrational setting, as an alternative to or in conjunction with the shock. Others include integration with Internet mapping capabilities and GPS to locate the dog or alert an owner of his/her whereabouts.
Wholesale radio dog collar - AliExpress
This instant-install system from PetSafe is both safe and portable, offering an immediate, invisible dog fence wherever you travel. It’s as simple as plugging in the radio transmitter – no poles or wires to bury. Outfit your pup with the waterproof receiver collar, then train her 10-15 minutes a day, for up to 3 weeks, and she’ll learn her limits quickly and easily.
Dog Containment Collar Works With Multiple Pet Fences & Radio Mat
Either professionally or self-installed, it works through a signaled barrier system that encircles the boundaries of your property. This fence then operates off of radio signals that transmit to a collar worn by your dog.
High Tech Pet Radio Super Dog Electric Fence Collar - Walmart