Whether you're upgrading an existing video recorder or thinking of purchasing a whole new Analog HD system, this latest 4K Ultra HD digital video recorder by Lorex meets all the demanding needs of modern-day security. Features such as 4K recording resolution produce visually accurate video footage with exceptional detail. Along with 4K recording, advanced person/vehicle detection and smart home compatibility, this DVR combines active security with the convenience of hands-free voice control. Advanced motion detection Be alerted when motion is detected on your property with advanced motion detection capabilities. This system features person/vehicle detection on 4 channels to reduce unnecessary alerts and false alarms. Important motion events that are recorded can easily be found using the Smart Search feature, which organizes events by type (e.g. person/vehicle motion vs. general motion, etc.) Panic button This DVR brings your security camera system to the next level with an easy-to-use panic button located on the front of the recorder. By pressing and holding this button you can activate all lights and sirens on your compatible Active Deterrence cameras at one time to deter potential intruders.