Petsafe Ultrasonic Bark Control Dog Collar - Black - Under 8 Lbs Wheeze Features 4 constant power outlets

Features 4 constant power outlets and 4 alternating timer controlled outlets (2 day and 2 night)

Ideal levels of omega-3 and omega-6 from salmon

Each stick features Hemp Seed

Features 4-Way Stretch construction that moves better in every direction with a customized fit that's further than next to skin or Fur without the squeeze and won't bunch up

Petsafe Ultrasonic Bark Control Dog Collar - Black - Under 8 Lbs Wheeze Features 4 constant power outletsUses an ultrasonic tone to deter nuisance barking. Lightweight water resistant and comfortable. A low battery indicator will alert you to when the 3 volt lithium batteries should be changed.