High Tech Pet Power Pet Door For Door and Wall Installations, Large | Petco

Description Please note that the product information displayed is provided by manufacturers, suppliers and other third parties and is not independently verified by Petco.Full disclaimer here. Large, for pets up to 100 lbs; Medium, For pets up to 30 lbs; Fully automatic, motor driven & opens all by itself when activated by your pet's ultrasonic collar. - Automatic locking steel dead-bolt - Automatic safety retract system - Features 3 power modes - Optional wall framing kit is sold separately