PetSafe SmartDoor Dog Door Small Houses Fleas and ticks are killed

Fleas and ticks are killed through contact with the active ingredients ' no biting required

not included) and Operating and Training Guide

Its two layers of orthopedic foam are so thick and supportive that even the largest dogs will not

Color: Gray / Blue

but supports over 200 lbs

PetSafe SmartDoor Dog Door Small Houses Fleas and ticks are killedUsing radio frequency technology, the SmartDoor reads the unique signal of a SmartKey worn on your pet's collar and triggers the battery power driven flap to unlock. When the SmartDoor no longer senses your pet's SmartKey, the flap automatically locks back into place. The SmartDoor can detect up to five programmed SmartKeys and also operates in two other modes: fully locked mode and unlocked mode. Locked mode does not allow entry or exit for any pet