Timed Actuator for Pet Door

I'm looking for a timed actuator arm to open and close a lightweight flap pet door at fixed daily times. The timing should be set using buttons on the device. Key Requirements: - Operate a lightweight... (Budget: $250 - $750 AUD, Jobs: Actuator & Servo Selection, Automation, Electrical Engineering, Electronics, Engineering, Mechanical Engineering, Product Design, Robotics)