[Segmented Specification:
 Trumpet: diameter 0.8cm, length 1.15 m single traction, expand the dog collar around the neck for less than 42cm long 40cm wear (small dogs)
 Large: diameter 1.2cm, length 1.18 m single traction, collar expand long 60cm, neck circumference less than 55cm for dog wear (in large dogs)
 Oversized: diameter 1.5cm, single traction 1.1 meters long, collar expand long 70cm, suitable for dogs of less than 65cm around the neck wear (large dogs)

[Integral] Specifications:
 Trumpet: diameter 0.8cm, expand the length of 1.55 m, weighing less than 15 pounds for dogs to wear (small dogs)
 Large: diameter 1.2cm, length 1.55 m Expand dog, for those weighing less than 60 pounds to wear (in large dogs)
 Oversized: diameter 1.5cm, expand the length of 1.55 meters, suitable for neck circumference less than 85 pounds of dog wear (large dogs)

Principle P chain, uses and precautions:
Principle: P chain is pulled, such as dog walking in the opposite direction, the collar portion P chain will become increasingly tight, the dog will be more uncomfortable, so the dog will walk by the owner pull direction.
Purpose: P chain is generally used to train the puppy to develop good habits, such as: correct posture and walking routes, and the owner to maintain proper distance and correct the order, do not they eat garbage, not Luanzuan bushes and the like.
Note: easy to train puppies, adult dogs difficult training; irascible dog Do not use P chain, so as not to strain; do not use P tethered dog to avoid suffocation.