[Smartphone Controlled] Esky E-RS1 Waterproof Rechargeable Dog Training Collar with Auto Anti-bark Shock and Vibration Add more fun to your smart phone by using it to train your dog. Compatible with iPhone 4S/5, iPad 2.0/3.0 and iPod & Samsung devices with Bluetooth 4.0, Android 4.2 Multiple functions (anti-bark, dog training collar , anti-lost & fence, etc) and corrections (user-adjustable warning tones, static shocks, vibrations, etc) Adjustable 99 levels of shock, 99 levels of vibration in dog training function. Generally recommend for 15-130lbs dogs Sensitivity to triggering responses is fully adjustable; Capable of discontinuing intense corrections to protect your dog from over-stimulation. Extra receivers can be added for multi-dog training Customizable Dog Training Application (Free via Apple or google play appstore)