【3MP Super HD Video】The 8CH wireless video security system can work perfectly with the 1296P bullet security cameras; they together deliver true Super HD crystal-clear images, much clearer than 1080p cameras. With 18 infrared LEDs and integrated IR-cut filter, this surveillance camera system..【DIY Plug & Play Setup】Simply plug the cameras & the NVR into an outlet & they will pair with each other automatically, no messy cabling, no installation hassles, that's the way wireless it should be..【Noise-Cancelling Audio Record】Get 1-way hi-fi audio recording with the built-in mic. Enhance security coverage and get additional voice information should any instruction happen..【Smart Home Compatibility】Enjoy 100% hands-free voice control with Amazon Alexa. Give the simple commands to an Alexa device to get instant live stream without smart phones..【Work with Alex and Smart Motion Alerts】Access the whole system remotely by connecting it to an Alexa device for a hands-free control way. Get instant app pushes and email alerts upon there are motion events. Record videos and audio simultaneously for vivid video recording instead of just silent boring footage.