The Eagle SD20W is an intelligent surveillance video recorder hidden in a smoke detector with Wi-Fi capabilities. This recorder comes with a built in DVR, HD camera, 64GB of internal storage, a rechargeable battery, and the ability to watch and download recordings using a mobile phone or web interface. Perfect for covert surveillance in a home or office, the Eagle SD20W blends seamlessly with its surrounding environment providing an excellent solution for your security needs, while giving the user the ability to view footage from the comfort of a smartphone.