Here is the best shock collar for a 4lB dog to buy:
EXuby Tiny Dog Shock Collar for Little Dogs
The first shock collar that will support you put an end to your little breeds bad behavior is this sweet collar from eXuby.
This is one of the cutest little shock collars you will find in the market in terms of aesthetics.
It comes with pink and blue interchangeable plates to permit you to customize or personalize it based according to your pup’s needs.
The remote is also bright and cheery, so it would not color-clash with your decoration.
When it comes to functionality, eXuby still checks essential boxes. It specs 3 training modes: vibration, shock, and sound.
Educator Tiny Dog Remote Training E-collar
The Educator E-collar is designed to bring fast satisfaction to dog parents looking to right bad behaviors in their pups.
It is advised for dogs of five lbs and above so that it will suit your little breed.
It comes with a half a mile range and an adjustable stimulation level to cater to various canine personalities.
One of the most special specs of this collar is the 2 stimulation modes designed to keep your little canine safe.
Goodboy Mini Pet Behavior Training Collar For Dogs
Another shock collar that your four or five lb dog will wear comfortably without weighing him down is this little collar from GoodBoy.
It has a range of up to one-thousand feet, making it best for outdoor use.
It also specs on one intensity level for the sound mode and 9 levels for the vibration mode.
This shock collar also stands out from the crowd because of its long-lasting battery life.
It specs the new lithium battery technology that can provide up to sixteen hours of continuous use.