Catch More Fine Details with 8MP & PTZ: The camera can pan (355°) and tilt (50°) to bring you 360° vision of the surroundings. 4K high resolution brings clearer details. The optical zoom lens allows you to zoom in 3X on the detail without losing the Ultra HD quality. Smarter Detection & More Accurate Alerts: The camera can distinguish humans, vehicles, and pets from other objects and send you relevant alerts. Customize the detection zone, schedule, and sensitivity for each type of event to further reduce unwanted alerts. Instant & Effective Deterrents: You'll receive app push and email alerts once a motion event is detected. Spotlights and the siren will be triggered immediately to deter suspicious visitors. Customize the siren with your own voice for even better effects. Remote Access & Real-Time Talk: The intuitive Reolink App/Client allows you to live view and play back anytime anywhere, talk to visitors via the two-way audio, log in on multiple devices, and share with friends (12 streams & 20 user accounts supported). Convenient One-Cable Setup with Power over Ethernet: Plug the E1 outdoor PoE into an IEEE802.3af PoE NVR/switch/injector to enjoy stable transmission of power, data, and 4K UHD videos via one Ethernet cable. By connecting it to the Reolink NVR, you will get massive storage for 24/7 recording. (The PoE NVR/switch/injector and DC power adapter are not included.) Reolink 4K PTZ Security Camera Outdoor System, PoE IP Camera with 3X Optical Zoom & Auto Tracking, 355°Pan & 50°Tilt, Color Night Vision, Human/Vehicle/Pet Detection, Two Way Talk, E1 Outdoor-PoE Smarter Detection & More Accurate Alerts: The camera can distinguish humans, vehicles, and pets from other objects and send you relevant alerts. Customize the detection zone, schedule, and sensitivity for each type of event to further reduce unwanted alerts.