Vava has unveiled a new pet camera that will let you follow your dog or cat around the house when you're not home. The device, said to be the first mobile pet cam in the world, made its debut at CES in Las Vegas this week. Vava's Pet Cam is equipped with two-way audio so you can hear and speak to your pet remotely, and collision detection will let it roam the house without bumping into anything or falling down the stairs. Vava has unveiled a new pet camera that will let you follow your dog or cat around the house when you're not home. The Vava Pet Cam connects with an app that lets you interact with your pets from afar.