Swann SWNVW-600CMB Quad HD Wireless Rechargeable Audio CCTV Camera AllSecure Kit
It runs on battery power and connects wirelessly to the NVR, so you don't need to worry about cables. 2-Way Audio & Secure Screw-in Mount. 2K (4MP) Quad HD (2560 x 1440 pixels)^. Audio Range. Yes, 2-Way Audio.