Wireless Network NVR Kit , 4 Channel 720P Security Camera System

Wireless Network NVR Kit , 4 Channel 720P Security Camera System Key Features: • Support megapixel HD network video preview, storage and playback; • Click any area and zoom in or zoom out on the image by mouse; • Support digital zooming under preview and playback modes; • Support search, playback and backup by event; • Support 4ch playback simultaneously 1. Preview channel can be switched to other channel randomly without changing the MAC which is convenient for the project