【Safe and Cruelty Free】 Bark Collar controls barking by vibration and sound, make sure your dog’s health is our number one priority and would never produce a product that harms your dog. strengths to train pets, from weak to strong. 【Remote control】 Remote control for bark collar, large LCD display shows operation instructions and LED lights are suitable for night lighting. 【Adjustable collar for all dogs】 Shock collar is made of superior material; it is soft and comfortable for your dogs. Suitable for small, medium and large dogs.