【Only Compatible with ZOSI 4K PoE NVRs】This PoE add-on CCTV camera must be connected to a ZOSI 4K PoE NVR via an Ethernet cable to operate. It only work with ZOSI 4K PoE NVR models: ZR16HB, ZR08HN, ZR08SN, ZR16SK, and ZR16HK. It is not compatible with non-ZOSI PoE NVRs or any ZOSI DVR systems. For optimal performance, it is recommended to keep your ZOSI Smart App and ZOSI PoE NVR updated to the latest version. 【4K Ultra High Definition & Color Night Vision】The resolution of this PoE IP camera is 1.6X clearer than 5MP and 4X clearer than 1080P. Smart outdoor indoor security camera record everything with sharper details. Equipped with 4pcs IR LEDs and 2pcs spotlights, support 100ft starlight night vision. 【Two-Way Talk in Real Time】Built-in microphone and speaker allow clear, instant communication. Not only can hear but also allows you to have real-time conversations like talking on a phone with your family members or warning intruders even if you are far away from home. 【Smart Person/Vehicle Detection & Alerts】Advanced detection technology triggers real-time app notifications and email alerts for motion events. Built-in smart light and sound alarm system actively deters potential intruders. 【Flexible PoE or Power Adapter Operation】Supports both Power over Ethernet (via PoE switch) or standard power supply connection. Single Ethernet cable enables simultaneous power and video transmission for simplified installation., Weight: 1.7196056436 Pounds, Manufacturer: ZOSI