Dahua HD 2MP Kit 4 cam

HFW1800RP

Lens : 3.6 mm;
Resolution : 8MP 3840 (H) × 2160 (V), 4K
IR Distance : 20 m (65.2 ft)
HDW1800RP
Lens: 2.8 mm;
Resolution: 3840 (H) × 2160 (V), 4K
IR: 20 m (65.2 ft)

XVR5104HS-4KL-13

Analog Camera Input : 4 channels, BNC
Resolution : 4K, 6MP, 5MP, 4K-N, 4MP, 3MP, 4M-N, 1080P
Storage : 1 SATA Port, up to 10TB capacity