16CH Board of NVR:16CH is Hi3536 Chip; Max support 16*4K(8MP) IP Camera Support Wifi Adapter, the Wifi Adapter model is:7601 16CH(Hi3536) Board Max Support the 4K Display IP Camera 264 and 265 question: This one only support the for xmeye IP camera 265, if you use the for or for camera, nvr will not match all of their cameras and not support 265. VGA and -compatible question: NVR have a defult display resolution,Your monitor must use the same resolution then will work first time. The second you can change the nvr output resolution as you need. Face Record/Face Detection/Face Playback: Record every face that appears on the lens, without missing any details. You need use the Face Detction Function IP Camera. Colour:green Material:PCB board + plastic + metal Size:118 x 46mm Package Contents: 1 x NVR motherboard 1 cord 1 x SATA cable Note: Different batches, the appearance color of the accessories on the motherboard may be different from the picture, which does not affect the use; the color of the cable is random, don't accept the specified color Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.