BAYIT HOME AUTOMATION BH1818 720p HD Wi-Fi/IP Internet Surveillance Camera 720p Hd Video For Crystal Clear Viewing With Bright Colors, Brisk Detail & Fluid Movement Ir Night Vision Downloadable Free Bayit Cam App 2-way Audio,Built-in Microphone & Speaker So User Can Listen & Respond Please Note: Kindly refer the User Manual and the Instructional Video before use.