This High Tech Pet power pet electronic patio pet door for sliding glass doors is pre-installed in an aluminum-framed glass insert that fits easily into your sliding glass patio door. The pet door is activated by an ultrasonic waterproof collar (included) that will not interfere with or be affected by other electronic devices. The door features a directional sensing system that opens the door only when your pet is approaching.

This High Tech Pet power pet electronic patio pet door for sliding glass doors is pre-installed in an aluminum-framed glass insert that fits easily into your sliding glass patio door. The pet door is activated by an ultrasonic waterproof collar (included) that will not interfere with or be affected by other electronic devices. The door features a directional sensing system that opens the door only when your pet is approaching.