The Blink Outdoor Wireless Security Cameras System comes with 2 cameras that are water-resistant and perfect for outdoor surveillance. These cameras are powered by batteries, and have features such as motion/PIR activation, Wi-Fi connectivity and Amazon Alexa compatibility. The cameras are black in color and have a height and width of 7cm each. The Blink Outdoor Cameras have been manufactured in 2020 and are part of the 3rd generation of the Blink Outdoor series. These surveillance cameras are perfect for home security and can be easily installed without any wiring. With this system, you can keep an eye on your property and loved ones from anywhere, anytime.