DS-7204HQHI-K1(S) ,4MP (DVR) with sound
Product Name : DS-7204HQHI-M1/S 4 Channel Facial Detection Turbo HD AcuSense 4MP CCTV DVR
Video Bit Rate : 32 Kbps to 6 Mbps
Dual Stream : Support
Capacity Up to : 10 TB capacity for each disk
USB Interface : 2 × USB 2.0