The Kami 4-Pack YI 1080p TwoWay Audio WideLens Camera System is a set of four white surveillance cameras with a maximum resolution of 1080p. These cameras feature night vision, two-way audio, and a wide-angle lens for a comprehensive surveillance experience. They are Smart Home compatible with Amazon Alexa and use Wi-Fi connectivity for easy monitoring. With a power source of 12V USB, these cameras are ideal for indoor use and provide a reliable security solution for your home.