This 12" LED Gooseneck Rack Light is perfect for enhancing visibility in your setup. It includes a three-way rotary switch that allows you to toggle between white light, red light, and off. The unit is designed to fit in a standard 1 RU space and does not require a separate power supply.
Littlite RL-10-SA-LED 12" LED Gooseneck Rack Light with Rotary Switch