RD-445E Replacement Remote Control fit for NEC Projector No any program needed, only put into brand new battery will work well. Compatible model: 7N900901 NP305 NP510W NP410 NP405 NP310 NP510 NP410W NP610S NP510WS Power Supply: 2X 1.5V AAA Alkaline Battery(Not Included) If you are not sure whether this remote is you need, you can contact our customer service, they will give you more professional suggestion.