4 HUMANIZED, EFFECTIVE, SAFE TRAINING MODES: Our dog shock collar features 4 humane training modes: beep(1-8 levels), vibration(1-16 levels), safe shock(1-99 levels), and Shock Boost(10% higher). Enables you to set the right stimulation levels for your pet, which is helpful in deterring dogs from undesirable habits.

4200FT RANGE & 2 CHANNEL: The dog training collar covers up to 4200FT, allowing the dog to roam farther, making it easy to train your dog indoors or outdoors. With dual-channel, one remote supports 2 receiver collars, and you can train 2 dogs at the same time! Besides, it has a memory function without resetting it.

FITS FOR ALL SIZES OF DOGS: Jugbow training collar for dogs sizes with neck sizes from 7.8 - 24.4 inches and weights from 10 - 120 lbs. Dog training collars are suitable for large dogs, medium dogs, and small dogs. This collar strap is made of soft nylon to protect your dog comfortably. Meanwhile, the lightweight collar design reduces your dog's burden.