Petsafe Ultrasonic Bark Control Dog Collar - Black - Under 8 Lbs Wheeze 20% min Crude Fiber 1

20% min Crude Fiber 1

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

Delicate reef and saltwater aquariums are also severely threatened by degrading conditions

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

The X-Large size is ideal for aquariums over 55 gallons in size

Petsafe Ultrasonic Bark Control Dog Collar - Black - Under 8 Lbs Wheeze 20% min Crude Fiber 1Uses 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.