Dogtra 1900X Black Edition 1-Dog Unit toy The concave bite zone is

The concave bite zone is well suited for developing deep

Due to the size and shape of the links

Available in 2 fun colors

With a break strength of 375 pounds

Dogtra 1900X Black Edition 1-Dog Unit toy The concave bite zone isDiscrete blue LED and mattble black finish High power output (1 100) Made for dogs 35 lbs+ 3 Dog expandable Boost & level lock Nick, continuous & XPP vibration 1 mile range IPX9K waterproof 1000 Lux E Collar LED light E Collars may ship separately [split] 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