Low price, every home can afford Build-in DVR system, Plug-and-record. Record all the files to TF card. Infrared night vision - Build-in DVR system, Plug-and-record. - Record all the files to TF card. Support 1GB to 16GB TF card. - Record both video & audio: VAG or CIF format set by “userset tool” - Real-time surveillance by connect to computer. - Infrared night vision, support record in dark. - ...