5:We maintain a high standard of excellence and strive for 100% customer satisfaction. If you have any questions or concerns about your order, please feel free to before leaving feedback and we will get back to you within 12 hours.1:New Universal Remote Control Controller Replacement for Promethean Projector EST-P1, UST-P1, UST-P2,UST-P2C,UST-P1V1,PRM-25, PRM-32, PRM-33, PRM-35, PRM-42, PRM-45, PRM-45A etc Series3:Compatible with All Promethean Projector : PRM-25 PRM-32 PRM-33 PRM-35 PRM-42 PRM-45 PRM-45A EST-P1 UST-P1 UST-P1C UST-P1V1 UST-P1CV1 UST-P1G UST-P2 UST-P2C etc Series Projector2: Using our remote couldn't be easier since no programming or setup is required. Just insert two 1.5V AA batteries, and it is ready to go! (Note: batteries and manual are not included)4:Easy to use, No programming or setting up required.