Kramer Electronics 810 Composite Video and S-Video Color Bar / Audio Tone Generator Kramer 810 Composite Video & S-Video Color Bar / Audio Tone Generator - 12V DC Power Supply - Mounting Bracket - Kramer 7 Years Limited Warranty Output - 2 composite, 1 s-Video (Y/C) and 1 1kHz audio tone Multi-Standard - PAL or NTSC output (selectable) Compact Kramer TOOLS - 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3T rack adapter