By analyzing person and vehicle shapes on board, RLC-811A can accurately detect humans and vehicles before sending real-time alerts. It greatly reduces the false alarms since less important objects are ignored Once an intruder is detected, the camera’s spotlights and siren will be triggered or manually activated to warn off the would-be criminal. Stop the crime before it happens Built-in mic & speaker allow you to listen and talk back to whoever the camera catches in real time: A “hello” to families and friends or a warning to suspicious strangers Home security jumps from 1080p to 4K Ultra HD – 1.6X clearer than Super HD and 4X clearer than 1080p HD. Details you see around home or store will be reproduced perfectly in live streaming and playback When daylight is out, RLC-811A with built-in spotlights continues to record in full color. This will bring more visual details that help identify people and cars than black-and-white videos Its motorized varifocal lens provides a viewing angle of 31°~105°*, and its 5X optical zoom allows you to zoom in for astonishing details or zoom out for maximum coverage Long-term events like sun rising and flower blooming is hard yet fun to observe. RLC-811A with time lapse makes it quicker and easier to capture the dynamic of such events, with stunning effect Thanks to Power over Ethernet (PoE) technology, this outdoor bullet security camera can transmit videos and get power simultaneously via only one network cable. You can install this camera quickly and painlessly RLC-811A smart PoE IP camera supports 24/7 continuous, movement-triggered and scheduled recordings. All 3 types of video can be saved in the micro SD card, Reolink NVR or FTP server. Choose a way you like and enjoy customized security     Person/Vehicle Alerts 5X Optical Zoom Built-in Siren Two-Way Audio