"Packed with options to match your dog's personality and temperament, the SportDog NoBark SBC-R Dog Collar helps you discourage unwanted barking without a lot of work. This advanced training system offers 3 programmable modes to help you bring an end to excess barking from your 4-legged friend. Temperament Learning mode automatically goes to the static stimulation level that works best for your dog. Progressive Correction mode starts at the lowest static stimulation level, and then progresses to higher levels until the barking stops. User-Selected mode lets you choose the stimulation level (10 levels possible) to be delivered each time a bark is detected. Designed for any dog 8 lbs. or larger, this collar works for a single dog or dogs surrounded by other dogs. Waterproof receiver (up to 10'). OLED battery level and mode display. Powered by rechargeable lithium-ion battery. Collar fits neck sizes ranging from 5""-22"". Manufacturer model #: SBC-R. Versatile dog training collar helps brings an end to unwanted barking 3 programmable modes Temperament Learning mode - goes straight to best working stimulation level Progressive Correction mode - progresses through levels until the barking stops User-Selected mode - goes straight to the level you choose 10 static stimulation levels Designed for any dog 8 lbs. or larger Powered by rechargeable lithium-ion battery"