Electronic Smart Dog Door
The PetSafe Electronic Smart Dog gives your dog the ability to come and go as he pleases.
Features:- recognizes the smart key only
- re-locks automatically after pet enters or exits
- energy efficient
- weather resistant seal
- insulated flap
Fits standard doors from 1.5" to 2" thick.
Large Door: 16-1/8" W x 2.25" D x 23-5/8"H
Additional keys available.