Adjustable Collar For Fit Best The shock collar is made of premium material which is gentle on your dog. This remote training collar fits neck sizes up to 7″ to 26″ and would be perfect for small, medium and large dogs 10-40 kg (22-88 lbs). �New version with 3 training modes�’The remote control collar has 4 training modes of vibration, shock, light and tone, from 0 to 99 levels of static shock and vibration. �Remote control 800 Meters & 100% waterproof�’You can control the dog when playing outside with this shock collar from dog with a range of up to 800 meters.IPX67 receiver collar 100% waterproof. �Simple and Easy Operation�’ This electronic collar for dogs has separate buttons for the sound, vibration, shock, light and up and down, allowing you to directly choose the training mode that suits you. You can quickly switch without confusing complexities.