Highlights3 Training Functions with 0-9 Intensity LevelsAdopt advanced 2.4G frequency technology that consistently provides a more stable and accurate signal transmission from 50ft to 990ft than othersCome with 2-in-1 type-c charging cable and adapter, can be conveniently charged via PC, phone charger, laptop, or power bankReflected strips on the collar make people see your dogs clearly even at night which effectively keep your dog safe.Smooth contact points with silicone caps rest gently agains