Cameras :: IP Cameras :: The GV-I/O USB Box provides 16 inputs and 16 relay outputs. It supports both DC and AC output voltage - Security DVR and CCTV Digital Video Recorder Security System for Surveillance in Texas: Houston, Dallas, Austin, San Antonio, DWF, Ft Worth

The GV-IO Box 16 provides 16 inputs and 16 relay outputs. It supports both DC and AC output voltages, and provides a USB port for PC connection.

Approximate horizontal angles of view with various CCD chip sizes (in degrees)
Focal length	1/3"	1/4"
2.0mm	-	82
2.8mm	86	57
4.0mm	67	47
4.8mm	57	40
6.0mm	48	32
8.0mm	36	25
12mm	25	17
16mm	17	13
25mm	12	8
50mm	6	4

The GV-I/O USB Box provides 16 inputs and 16 relay outputs. It supports both DC and AC output voltage