1) Can detect moving objects automatically and take high-vivid photos or shoot 2) Provides itself 128MB SD card which could store about 2,000 pictures / 400 video clips 3) Can insert a 2GB SD card to store about 28,800 photos / 4,850 video clips 4) Adopts DC 12V which is widely used, safe and save electricity 5) Can supply DC 12V directly to the CCD camera 6) Has exterior input port which can trigger shoot 7) Has detection signal output port which can trigger the alarm device 8) Can memorize the set parameter and it won't lose when power cut 9) The photos / video clips won t lose when power cut 10) The video recorder follows the first in, first out principle and can cover the former photos automatically which is called the overwriting function 11) Can choose 1800hmA professional lithium battery 12) Can choose professional buttony CCD camera 13) Supports alarm system / video recorder door phone system connection 14) Supports the video signal of NTSC / PAL 15) Can find, see and delete the image file according to the shoot date 16) No need to install the software, can operate simply and you can use the video recorder, once you turn it on 17) Has a key, which can be looked for mistaken touch or action 18) Supports playback the image on TV / monitor / computer