SS297 - SAMSUNG SRD-443 4 CHANNEL 500GB CIF REAL-TIME H.264 DVR CCTV WITH HDMI SMARTPHONE COMPATIBLE IOS ANDROID 100FPS CMS CIF resolution real time recording capability Max resolution 4CIF (720 x 480 NTSC/720 x 576 PAL) 2 USB ports (Rear) Event flash storage Smart phone(iOS and Android) support