Guardzilla 360 review: This security cam monitors an entire room, but its unpolished app spoils the experience

Home security cameras have a couple of ways of maximizing the amount of room real estate they can cover. Ultra-wide angle lenses are the most common solution, but they often cause distortion as they squeeze the image to fit. Cameras with motorized pan-and-tilt features let you sweep the room, but this leaves you turning your back