The 1900S Black Edition is a 1-Dog System only.
The Dogtra 1900S BLACK EDITION is the 1-mile edition of the popular 1900S e-collar, which is known for its versatility and durability. Along with the added range, the Dogtra 1900S BLACK EDITION comes with a premium black matte finish and blue LED lights for enhanced tactical fit and better aesthetics. Like the 1900S, the BLACK EDITION's receiver is also certified for IPX9K grade, the highest heat and water proof level. With its longer range and proven durability, it can cover more distance in any extreme conditions.