PetSafe Electronic SmartDoor - Large 

PPA11-10709

The PetSafe electronic SmartDoor allows you to control the access of your pets. When the electronic pet door is set to automatic mode, only your pets wearing the SmartKey can pass through the Electronic SmartDoor. As your pet enters the adjustable range of the Electronic SmartDoor, the SmartDoor detects the SmartKey and unlocks automatically. The range is adjustable up to 3 feet. After your pet passes through the PetSafe SmartDoor, the door will lock back automatically. Without the SmartKey, no other animals can pass through. 4 D-cell batteries are required(not included).

Add up to 4 additional pets with the SmartKey (purchased separately)

Features:

• Unlocks as your pet nears; re-locks automatically after your pet enters or exits
• 3 modes: Locked, Unlocked, Automatic Access
• For up to 5 pets (one SmartKey included)
• Energy efficient, weather resistant seal and insulated flap
• Fits standard doors from 1 ½" thick to 2" thick
• 13" x 15 ¾" flap opening