Advanced Detection, Reliable Alerts Equipped with the technology to analyze the shapes of humans, vehicles, and pets*, RLC-833A can detect these targets and send you alerts. Fewer false alarms, more peace of mind. *Note: Currently, pet detection is for dogs and cats and is in beta testing Person/Vehicle Detection Real-Time Alerts Without Subscription You can also manually turn on/off the siren and spotlight. Built-in Siren Motion Spotlight Two-Way Audio for Real-Time Talk With the mic and speaker built in the camera, you can hear and talk to the person on the camera side in real time, wherever you are. 8MP High Resolution for Sharper Vision This 4K Ultra HD camera provides four times the definition of 1080p HD to bring you flawless pictures. The live view and playback vividly present every detail of your home or store. 3X Optical Zoom for More Details This dome PoE security camera with a motorized varifocal lens supports 3X optical zoom. You can zoom in or out on specific details . Different Night Modes for Your Choice With the spotlight activated by motion or as scheduled, the camera can switch between black-and-white and color night vision, bringing you full-color event videos. You can also turn on/off the spotlight and switch the night modes manually. Time Lapse for Fun Long-term events like sunrise and flower blooming are fun but not easy to observe. Easy PoE Setup No extra power cable or adapter is needed. RLC-833A with Power over Ethernet (PoE) technology can transmit power and data simultaneously via one single network cable. Less wiring, less cost, more convenience. Plug & Play Reliable Connection Flexible Recording Options RLC-833A supports 24/7 continuous, motion-triggered, and scheduled video recording. All the videos can be saved to the micro SD card, Reolink NVR or FTP server. Choose a way you like and enjoy customized security.