Aetertek AT-219S Extra Strong Remote Dog Training Shock Collar with anti bark feature 18 warning sound, 18 vibration and 18 levels of progressive shock Rechargeable and 100-percent water-proof receiver collar with long and short prongs for all coat types Solid remote range of up to 1000-yard and signal can pass through walls and fences Suitable for dogs from 40 to 150-pound; Good for stubborn and extra large dog 1 year warranty