Swann Alpha C12 SWA22-C12-US Extra Digital Wireless Camera Combine with the camera & receiver of the Alpha D6C12 (code SWA43-D6C12) to create your own wireless security system Clearer video picture & better sound every time, to protect the people you care about & your property Zero interference from Bluetooth, web routers, microwave ovens, cordless phones & is truly Wi-Fi friendly Guaranteed 100% privacy from a secure, encrypted point-to-point signal Use this extra camera to monitor an additional location for greater protection at your home or business