This product is either discontinued or we cannot get that from suppliers.
4+2 Channel, each channel up to 8MP, Reuse audio in/Out, RCA, 32Kbps ~ 6144Kbps Per Channel, 8KHz, 16 bit Per Channel, 64Kbps Per Channel, iPhone, iPad, Android, 4 Channel, BNC.
Dahua 4ch Penta-brid Record Up To 4kivsface Detection Smart Serach Smart Fanp2p (DH-XVR5104H-4KL-X)