4 Ch Mjpeg DVR Standalone Small residence design for small stores, offices High quality image resolution Motion recording detection, area selection & sensitivity adjustment Video System: NTSC/PAL System Operation: Stand-alone Video Input: BNC 4 channels Video Output: BNC 1 channel shot speed NTSC:120 fps/PAL: 100fps The shot recording speed NTSC: max 30fps/ PAL: max 25 fps Recording Mode:continuous/calendar/motion detection Screen Resolution NTSC: 720x480/PAL: 720x576 Record NTSC Resolution: 320x112, 640x224 PAL: 320x136, 640x272 Hard Disk: not included Dimension: 257mm (D)x 132mm (W)x 80mm(H) Remote Control: included