Latch'nVent - Pet Access Control Interior Door Prop. Dog Proof Cat Litter or Food with Easy Cat and Adult Entry. Doors Operate Normally with 3 Different Extensions! Great Child Finger Pinch Guard too! High Controllability: Multifunctional button to control power on/off, answer/hang up call, play/pause music/video etc. Fourcase lighting headphone built in hands-free microphone ,Giving you hand-free voice experience.