It is a 2 channel mini DVR, support max 2GB/8GB SD card, with the function of motion detection &take photos, display resolution: 720*480, display frame rate: 30fps(NTSC), 25fps(PAL) Video input format NTSC/PAL Video output (CVBS) 1 channel Video input (CVBS) 2 channels Display frame rate NTSC: 30fps; PAL: 25fps; Mode (sequence): Full/PIP Recording frame rate NTSC: 15fps; PAL: 12fps Recording mode Motion detection Display resolution NTSC: 720*480; PAL: 720*576 Recording resolution AVI: video: 320*240; Photo: 640*480 OSD English Back-up (archive device) SD card (up to 2GB) Search function Mode: Date & Time; F/Screen: Yes Motion detection Yes (Internal) Net weight 108g Dimension 115mm * 80mm * 31mm