Additional Details ------------------------------ Product description: Know that your property is protected while you're there and while you're away thanks to this Nocturnal security camera system from Lorex. This system includes security cameras and a powerful 16-channel Network Video Recorder (NVR). Along with 4K recording resolution, Color Night Vision, listen-in audio and Smart Motion Detection, these dome security cameras include motorized zoom lenses that allows you to adjust the camera's field of view to suit your monitoring needs. These features make this system an incredibly versatile security solution perfect for a large home, small business, office, or commercial facility --- 4K (8MP) Ultra HD resolution, ensuring clear and detailed footage. See more with a with up to 113 field of view, depending on the level of zoom desired. Motorized varifocal lens provides 4 Optical zoom, enabling remote customization of your viewing area (and focus). Record at a real-time 30 frames-per-second, providing smooth and clearer footage. Hear and record audio from your camera thanks to listen in audio. Reduce unnecessary alerts and false alarms with Smart Motion Detection. Receive motion notifications when only a Person or Vehicle is detected on your property from your Lorex App. Enhanced nighttime clarity with Color Night Vision4 thanks to an impressive large format lens. Up to 150ft (46m) IR night vision in low light and 98ft (30m) in total darkness. Weatherproof rated (IP67). Operates in temperatures low as -40F (-40C) and high as 140F (60C). Aluminum Alloy housing, designed to withstand harsh weather conditions.