(5). [ Siren & Light Alerts ] __ Designed to prevent incidents before they occur, your ZOSI C302 camera comes with motion-activated white LED warning lights and a siren that can trigger from your phone manually or triggered by human motion events( With PIR Sensor) to warn off any uninvited. When the camera detects motion, it will push a notification to your smartphone and trigger recording within seconds of detection. (4). [ Two Way Audio ] __ Built-in speaker and microphone, allows for 2-way audio functionality. (3). [ Metal Materials ] __ Camera used high quality metal materials, 3-Axis camera stand, cable through bracket, IP66 weatherproof aluminum housing cameras for hassle free use on rainy or snowy days. (2). [ 2K HD Images & IP66 Weatherproof ] __ 2K 3MP delivers HD vivid images (Color Night Vision is Optional), much clearer than 1080p, its spotlight LEDs provide stunning color night vision, present up to 100ft of B&W night vision by the built-in IR LEDs. It also comes with IP66 weatherproof rating, it can work normally under disadvantageous weather conditions, outdoor and indoor. (1). [ Read before Purchase ] __ This 3MP wifi camera is an add-on camera, it cannot be used separately and it only works with ZOSI NVR (Model: ZR08JP/ZR08RP). NOTICE: The camera require the power connection for 24/7 surveillance purpose.