Dahua Technology DH-HCVR5104C-S3 Digital video recorder (DVR) Specifications | Dahua Technology Digital video recorders (DVRs)
Dahua N444E42A Video Doorbell Security System, Includes (3) 4MP Eyeball IP Cameras, White, (1) Wi-Fi Video Doorbell, Black/Gray (1) 4K 4-Channel NVR, Black
User manual Dahua Technology DHI-XVR5104C-4M (English - 2 pages)