The iPets PET619 remote shock collar combines many of the features and elements commonly found in dog training collars but with a compact receiver design to accommodate a larger variety of dog sizes from up 10 pounds and up. This unit was designed ergonomically with an amateur in mind, and provides a “no look” one hand operation, so you're more focused on your dog. With our new rapid charging technology and ability to charge both devices simultaneously, this e-collar is always ready when you are. Features: 1. Our collars can be used for a variety of purposes. Here are a few examples: Basic Dog Obedience, Hunting, Digging, Aggressive, Barking control, Jumping up, and bolting 2. Reduced receiver design to accommodate smaller dogs; Shock collar for dogs from 10 lbs or Larger. Able to fit small, medium and large dogs. TPU Collar Size up to 25 inches long 3. Quickly switch between collars with dog selector button; Simple, ergonomic design layout with a button for each type of stimulation, no mode button allows for faster corrections 4. Easy to use, Adjustable Intensity Dial 5. Quick and straightforward pairing process 6. Enhanced and safe conductive plastic contact points 7. Includes one collar, Remote Transmitter can control up to two dogs with additional receiver 8. Battery Type: Rechargeable Lithium Batteries for Collar Receiver and Remote Transmitter, charge at the same time 9. Water Capabilities: Waterproof Collar Receiver 10. Range: Up to 330 Yards 11. Tone/Vibration Options: 100 Levels of Vibration and Standard Tone 12. Stimulation Levels: 100 Levels of Static Shock Package Contents 1 x Remote Transmitter 1 x Collar Receiver 1 x Adjustable TPU Strap 1 x Charger and Splitter Cable 1 x Test Bulb 1 x Set of Contact Points 1 x Manual