The Dogtra 1900X BLACK is built for those ready to take their training to the next level. The longest range in the X-Series models boasting a 1-mile range, BOOST for quick responses, and XPP vibration for sharp communication, it offers the precision serious trainers demand. The matte black finish and discrete blue LED keep it low-profile, while the IPX9K waterproof design and e-collar case ensure it’s tough enough for any challenge.  Expandable up to 3 dogs and also can be used with non-stim contact points for training (then switched back to the regular contact points).