Power Acoustik H-7BK (Black) Single Pre-Loaded Universal Replacement Headrest w/ 7" LCD Monitor Dual Channel Wireless IR Transmitter High Resolution, Low Reflection TFT LCD Ultra Bright LED Backlighting Panel Brightness: 400 16:9 Aspect Ratio Resolution: 480 x 234 2 A/V Inputs Pole width Adjustments 4 1/2 ~ 8.25