This IP camera is an add-on camera. It needs to connect the Ethernet cable and NVR to work. Only compatible with ZOSI 4K PoE NVR(Model: ZR08DN/SN/HN, ZR16DK/SK/HK, ZR08SQ/HQ). Each Surveillance camera comes with an ethernet cable. Audio Recording for Extra Protection. Not only will you get 4K video footage, a built-in mic captures high fidelity audio and provide you with more information(such as voice). Live View Anytime & Anywhere. Get quick access and control to your cameras whenever and wherever via. · Free Zosi Smart App on your mobile device. · Free AVSS Client on your PC/Mac. Detect Person, Ignores Distraction. Smartly separate person from other moving objects, this camera system focus on human events and reduces “false positives”. Only receive alerts that matter. Specify a detection zone and adjust detection sensitivity to reduce the occurrence of false alarms. Encased in solid aluminum shell, the weather-resistant camera stands fast indoors and outdoors. Mount the camera on the ceiling or wall. Place it anywhere as you want and enjoy seamless protection.