High Definition Digital Video Recorders

We are offering high definition digital video recorders.
4 channel analog full d1 support + 4 channel hd (analog high definition) support + 1.3 megapixel ip camera support +2 megapixel ip camera support
2014 latest 3 in 1 ahd dvr analog high definition with cloud & onvif support ahd 4ch dvr
specifications
ahd:analog high definition
3 in 1 ahd dvr ahdhvrnvr
2014 latest 3 in 1 ahd analog high definition with cloud dvr and support onvif
ahd introduction:
*what is ahd?
analog high definition
*what if ahd's features:
oaxial transmission,super long range,convenience for users
*what is our ahd dvr advantages:
1、switch ahd，ip and anolog cameras in no time;
2、coaxial line without modified;
3、plug and play;
4、strong compatibility;
5、clear vision and lower price than cvi&sdi;