Additional Details ------------------------------ Product description: With the latest 16-channel Fusion Series NVR and 4K E893DD Smart Deterrence cameras, this N4K3SD-1610WD-2 security camera system will provide you with high quality recordings and the smartest features to protect your property. Features such as Smart Motion Detection Plus, Active Deterrence LED lights and siren, and two-way talk audio are designed to stop potential events before they happen. The N863A63B NVR also includes a 3TB hard drive for private local recording and is easily connected to our Lorex Home App for easy remote viewing and motion notifications. As part of the Lorex Fusion collection, the NVR can accommodate up to two Wi-Fi cameras on open channels