model
 Product FeaturesHS-7704 HS-7708
 Channels and compression format 4-channel H.264 8-channel H.264
 System NTSC/PAL
 Video input 1.0V pp/75Ω, BNC×4 1.0V pp/75Ω, BNC×8
 Video output 1.0V pp/75Ω, BNC×1, VGA (optional)
 Field resolution D1:720×576 (PAL) / D1:720×480 (NTSC)
 Video/network resolution CIF:352×288 (PAL) / CIF:352×240 (NTSC)
 Field frame rate 4×25 frames (PAL), 4×30 frames (NTSC) 8×25 frames (PAL), 8×30 frames (NTSC)
 Recording frame rate CIF: 100 frames (PAL) / CIF: 120 frames (NTSC) CIF: 200 frames (PAL) / CIF: 240 frames (NTSC)
 Audio input 8k8bit, 4CH
 Audio output 8k8bit, 1CH
 Recording mode: external/timer/motion detection
 Simplex/Multiplex OperationMultiplex Operation
 Network interface RJ45 Built-in domain name resolution Mobile phone remote monitoring
 PTZ control RS485 interface
 USB port One USB port
 Hard disk supports 1 1000G SATA hard disk, remote control is standard
 Power supply 12V 3A
 Power less than 6W (excluding hard disk)
 Weight: about 2.3 kg (including packaging)
 Dimensions (mm) 295mm (length) × 210mm (width) × 45mm (height)