![IndigoVision NVR-AS 4000 Network Video Recorder (NVR) Specifications | IndigoVision Network video recorders (NVRs) IndigoVision NVR-AS 4000 Network Video Recorder (NVR) Specifications | IndigoVision Network video recorders (NVRs)](https://www.sourcesecurity.com/img/products/400/indigovision-nvr-as-4000-network-video-recorder-nvr.jpg)
IndigoVision NVR-AS 4000 Network Video Recorder (NVR) Specifications | IndigoVision Network video recorders (NVRs)
![4K Nocturnal IP NVR System with 16-channel NVR, Twelve 4K Smart IP Motorized Zoom Dome Security Cameras, Real-Time 30FPS Recording and Listen-in Audio | Lorex 4K Nocturnal IP NVR System with 16-channel NVR, Twelve 4K Smart IP Motorized Zoom Dome Security Cameras, Real-Time 30FPS Recording and Listen-in Audio | Lorex](https://lorextechnology.com/images/products/4KHDIP1612I-2/4KHDIP1612I-2-L1.png)
4K Nocturnal IP NVR System with 16-channel NVR, Twelve 4K Smart IP Motorized Zoom Dome Security Cameras, Real-Time 30FPS Recording and Listen-in Audio | Lorex
![16-Channel NVR System with Eight 4K (8MP) Nocturnal Varifocal Zoom IP Dome Cameras with Listen-In Audio and 250FT Night Vision | Lorex 16-Channel NVR System with Eight 4K (8MP) Nocturnal Varifocal Zoom IP Dome Cameras with Listen-In Audio and 250FT Night Vision | Lorex](https://www.lorextechnology.com/images/products/N881/1200x800/N881B-L2.png)
16-Channel NVR System with Eight 4K (8MP) Nocturnal Varifocal Zoom IP Dome Cameras with Listen-In Audio and 250FT Night Vision | Lorex
![Amazon.com : Anpviz 16CH (4K/8MP/6MP/5MP/4MP/3MP/1080P) Network Video Recorder, 16CH (16-Port PoE) NVR - IP Home Security Camera System Video Recorder up to 16 x 4K IP Cameras, H.265+ ONVIF : Camera & Amazon.com : Anpviz 16CH (4K/8MP/6MP/5MP/4MP/3MP/1080P) Network Video Recorder, 16CH (16-Port PoE) NVR - IP Home Security Camera System Video Recorder up to 16 x 4K IP Cameras, H.265+ ONVIF : Camera &](https://images-na.ssl-images-amazon.com/images/I/61b-MednvqL._AC_SY355_.jpg)