The Best Industries [NEWEST 2018] Bark Collar - Smart Detection Chip for Fast No-Bark Training - Dual Stop Anti-Barking Mode: Beep/Vibration, Shock for Small, Medium, Large Dogs - IPx6 - No Bark Safe NEW ADVANCED DOG TRAINING COLLAR & REMOTE - advanced design that assures control on longer distances (30% more than the other electric shock dog collars). The ultra-durable, waterproof collar assures safe use for years to come.