Come with 3 effective training modes(beep/vibration/electric shock), our receiver gives you the ability to teach your dog right from wrong, whether your dog is chewing furniture, excessively barking or pulling the leash while you’re out on a walk. The 2 lighting mode allows you to find your dog quickly during night walking. IP67 waterproof and USB rechargeable. The receiver can keep standby for 15 days after 2 hours’ fast charging. The collar is adjustable and suitable for dogs weighing 10-150lbs.