Dog Shock Collar - [2025 Newly Upgraded] Dog Training Collar with Remote, IPX7 Waterproof Electric Collars with Unique Shock-Lock, Rechargeable E-Collar for Small Medium Large Dogs All BreedsHumanized shock lock keypad Enhanced anti misoperation. Compared to other dog trainers that generally do not have this shock lock function, Pedono dog training collar features the latest electric shock lock keypad, making it particularly suitable for dog owners who are reluctant to use the shock feature. Channel A & 3 channels When multiple training collar receivers are individually paired to different channels (Channel 1, 2, and 3), all receivers can