Distributes one HDMI source signal (DVD Player, satellite box, computer, etc.) to create a single video wall image made up of 1 to 9 displays. Plug and play make it easy to set up and use, no driver needed. Includes IR Remote and RS232 Control that easily selects your display mode combination using IR Remote (included), front panel or RS232 command (custom control software available; command codes included in User Manual). 13 + Display Mode Combinations are available – 1×1, 1×2, 1×3, 1×4, 2×1, 2×2, 2×3, 2×4, 3×1, 3×2, 3×3, 4×1, 4×2. Connect another JTECH-WV03 video wall controller to create 3×4 and 4×4 display combinations.