The ARC Hands free is a 3/4-mile range e-collar designed for all breeds with medium to mild temperaments. The ARC Hands free comes with a slim receiver/collar, ergonomically designed to the neck, and a compact Hands free Remote Controller for the transmitter. The Hands free Remote Controller gives you the freedom to multitask and have discrete control during field operation, making it perfect for hunting dogs and police K9 professionals.