Dahua NVR1104HS-W-S2 4 Channel Wireless NVR 

The Dahua imou NVR1104HS-W-S2 4 Channel Wireless Recorder is used to record videos and secure your home or business. Without the limitation of the network cable, cameras connect to the recorder via Wi-Fi and could be placed freely in any corner. It supports Plug and Play. It can record up to 1080P resolution and supports H.265 & H.264 video compression technology. It has 1 SATA III interface, up to 8TB is supported. Using a hard disk drive, the recorder could uninterrupted record for a long time, and now easily store for more than a month by using the smart H.265 codec. You can playback the details every time. It also features Auto Pairing, Camera Repeater, Two-way Talk, ONVIF, and so on. It has a 1-year warranty.