1.Metal design, support GPS.
2.Adopt Dual-core CPU, working once power on
3.2 Channels motion detection, A/V record at the same time
4.Support 2 SD card both upto 32GB
5.Video at 720*480/30fps,
6.Memory is "first in,first out",overwrite,never stop
7.Can connect and power 2 CCD or CMOS cameras direclty
8.With cooling system to aviod unit overheat