Burst Electronics VS8x1 video switcher.  New in Box, first photo is the stock image and the others are of the actual unit for sale, still sealed in the packaging.  Comes with the keyboard extension cabling and connector as seen in the photos, as well as the wall wart adapter.  

The VS8x1 is a eight input, dual output vertical interval video switcher. Specifications are the same as Model VS4x1. Second output to drive monitor, etc. Eight to 1 switcher featuring a remote control cable and BNC connectors in a rack-mountable form factor. The VS8x1 model offers eight inputs and one output, allowing you to easily switch between multiple cameras and devices. 


From the Burst Electronics website:
Specifications-

Input/Output: 1 Volt standard video
Input Impedance: HiZ or 75 Ohms 1%, looping (jumper/switch selected)
Output Impedance: 75 Ohms 1%
Video Connector: BNC
Output Protection: Open or Short, infinite duration

Video Standard: Both NTSC and PAL
Gain: Unity
Bandwidth: 25 MHz @ 1 dB
Diff Gain: 0.1%
Diff Phase: 0.1 deg
S/N: 60 dB
Crosstalk: 60 dB
Switching: Vertical Interval
Dimensions: 5.6W x 1.5H x 7.3D (inches)

DC Powered: 11-14 Vdc 

Wall module (included): 120 VAC 60 Hz, 12 Vdc 500 mA, UL Listed