PetSafe Extreme Weather Pet Door Small Agility Training The collar has three modes

The collar has three modes of correction: temperament learning

Long Hair Steel Contact Probes

The 2" collars taper to 1" at the buckle and billet ends

Sleep surface 25" x 32"

Independent pan-stop allows pan removal with door closed

PetSafe Extreme Weather Pet Door Small Agility Training The collar has three modesThe perfect door for extreme climates. PetSafe's 3 flap pet door protects your home from extreme temperatures while giving your pet the freedom to come and go. 3 flap system offers protection from extreme heat, cold, drafts, insects, or driving rain. This well designed door delivers maximum energy efficiency that's 3 ' times higher than PetSafe's standard single flap pet doors. Great for pets up to 15 lbs. Features: Fits door thickness 1. 5" to 2"