Amakin Shock Collar Dogs. 2018 Upgraded 1000ft Dog Training Collar Remote Small Medium Large Dogs. Rechargeable & Waterproof Beep, Vibration & Shock. Training Clicker Whistle Included. Works good. My dogs picked right up on it, behave better than ever. the whistle and clicker helped also. Collar adjusts to all sizes. Rechargeable. https://www.amazon.com/Amakin-Rechargeable-Waterproof-Vibration-Included/dp/B07DBX7M74 #Rankboosterreview #Amakin #BrettJohnson