Bousnic Shock Collar for Dogs - Waterproof Rechargeable Dog Electric Training Collar with Remote for Small Medium Large Dogs with Beep, Vibration, Safe Shock Modes (8-120 Lbs) (Grey)Perfect for Training, Simple and Effective: Our electric shock collar is designed with 3 extremely efficient harmless modes : beep(standard), vibration(standard), safe shock (adjustable 1 16 levels), which can help you train your dog behave well Up to Almost 1000ft Range: The remote training range of Our e collar is almost 1000ft, which makes sure you can enjoy the training time with your dog in the backyard, the park, at the beach or anywhere else.