The Halo 3 GPS collar is the latest technology in GPS collars/virtual fence dog products. It has immediate GPS connectivity, offers multiple cellular coverage and wireless and Bluetooth, so you never have worry about losing your pet. Ken Ehrman is the inventor of the Halo collar, a technology and safety visionary, who has spent 25+ years pioneering IoT innovations. Ken is leveraging his industry relationships and expertise to bring best-in-class safety solutions to dogs and dog lovers with the revolutionary Halo Collar.He is the co-founder of the company that offers the Halo Collar and has partnered with Cesar Millan, world renowned dog behaviorist, to make this innovative dog technology the best on the market today.? Further connect with us here: Website: https://www.MCS.dog