With the PetSafe Smart Dog Trainer, you'll be able to train your dog using just your smartphone and the included waterproof, rechargeable collar. The PetSafe Smart Dog Trainer App delivers a Bluetooth signal for vibration, tone (beep) or static simulation to the collar from up to 75 yds. away all you have to do is push a button on your phone. Trainer features one level of tone (beep), one level of vibration stimulation and 15 adjustable levels of static stimulation to dial in training to best suit the temperament of your dog. Requires a Bluetooth 4.0-compatible phone with iOS 5 or later; or Android 4.3 or later. System includes training collar with adjustable, replaceable nylon strap; PetSafe Smart Dog Trainer App; charging adapter and quick-start guide. Manufacturer's one-year warranty.