This screen displays blue text on a black background. Installation requires disassembling the front panel and re-soldering 16 contact points. It has been tested and confirmed to work with an ESI4000 sampler. Solder residue remains on the contact points, so please clean them yourself and re-solder them to your device. This is a used item, but please understand that it has been used for less than a total of one hour. As a bonus, a plastic cover is also included. Returns and refunds are not accepted for reasons related to the symptoms/condition described in the product description. Please purchase only if you agree with the condition.