New replacement projector Remote Control for Promethean projector No any program needed, only put into brand new battery will work well. Compatible model: EST-P1 UST-P1 UST-P2 PRM-25 PRM-32 PRM-33 PRM-35 PRM-42 PRM-45 PRM-45A 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.