We use the Wyze Cam 1080p HD Indoor Wireless Smart Home Camera with Night Vision and 2-Way Audio to peek at Zulu when we aren't home. It's inexpensive and works great!
The "Smelly Matty", or "Snuffle Mat", is a great way to slow your dog down if they eat too fast. Plus it exercises their brain as they search all the pockets for kibble. There are different levels of challenge in this one!