A leading manufacturer specialized in surveillance products ,including DVR cards, DVR , CCD camera and so on! Here I list part of our products : DVR cards: 1-4 chs 25fps Mpeg4 Compression 1-4 chs 100fps H264 compression( SDK provided) 1-8 chs 200fps H264 compression(SDK provided) 1-8 chs 100fps Mpeg4/Mjpeg compression 1-16 chs 400fps Mjpeg4 compression CCTV cameras: 1/3 Sony or Sharp CCD 420 TV lines 1/4 Sony or Sharp CCD 380 TV lines 1/3 Sony or Sharp CCD 480 TV lines Stand-alone DVR, Car DVR 1-24 Channels For further information of our products or our company, pls feel free to contact me