The Blink Camaras System includes 4 cameras that can be placed both indoors and outdoors. 2 doorbells (1 wired in box, 1 battery operated no box) 1 sync module 2 white 1 pan-titl mount 1 blink security sign These wireless cameras are powered by batteries, wall plugs, or hardwired connections and are compatible with Amazon Alexa for smart home integration. With features like pan-tilt zoom, these mini surveillance cameras offer a comprehensive security solution for any home. The sleek black design and weatherproof construction make them ideal for monitoring both outdoor and indoor spaces.