Sony Color CCD 420 – 700 TVL Vandal resistant Vari-focal / IR IP / Analog | Sony Color CCD 420 – 700 TVL Vandal resistant Vari-focal / IR Range 20-80 mtr. IP / Analog All weather Proof | Sony Color CCD 420 – 700 TVL 10x – 37x zoom Vandal resistant Vari-focal / IR Range 20-80 mtr. IP / Analog All weather Proof | DVR card for computers Standalone - Digtial DVR / Network DVR 4/8/16/32 channel |