... switch among HDMI,YPbPr,Video1,Video 2,and SDI (Optional).9.Power ON/OFF switch1.SDI(Serial Digital Interface)signal input2.SDI signal ... : 500:1Viewing Angle: 120°/ 140°(H/V)Input Voltage: DC 12V (XLR DC Connection)Input Signal: HD-SDI(optional), HDMI,YPbPr, AV1/AV2Battery ... only) (optional) 1pieceDV Battery Mount Plate:Model A for battery of Panasonic DV:NV-GS/PV-GS/DZ-MV/GS/H28 ...