The Pertained PET998DRB1 dog training collar system allows for perfecting small range dog obedience. With 300 yard range, this device was designed with the common household dog in mind, as the range of this system easily accommodates a stroll to your nearby park, or training in the backyard. We've incorporated every function that's needed for a beginner trainer or novice training collar user. Those functions are, static shock, vibration, tone and light modes, which allow the trainer to receive the best possible results, all at an affordable price. Features: 1. Collar Size: Able to fit small, medium and large dogs. 15lbs or Larger. Durable and adjustable Nylon Collar Size Length from 15 to 22 inches long 2. Includes one collar, Remote Transmitter can control up to two collars. (Extra collars are sold separately) 3. Battery Type: Rechargeable Lithium Batteries for Collar Receiver and Remote Transmitter 4. Water Capabilities: Water Resistant Collar Receiver 5. Range: 330 Yards 6. Tone/Vibration Options: 100 Levels of Vibration and 1 Level of Standard Tone 7. Stimulation Levels: 100 Levels of Static Shock 8. Power saving design with Automatic Standby and Memory Function 9. Light Mode to assist seeing dog in low light conditions 10. Easy to operate and ergonomic Transmitter 11. Effective and safe training system with Auto-Protect Mode 12. LCD Display featuring a Blue Back Light for nighttime usage 13. Quick and straightforward pairing process Package Contents: - 1 x Transmitter - 1 x Receiver - 1 x Nylon Belt - 1 x Charging Cable - 1 x Charger - 1 x Test Bulb - 3 Contact Points