DSC PC2550RK 8 Zone LED Keypad. Guaranteed not to be Dead on Arrival. RARE & HARD TO FIND.. And yes REALLY NEW & UNUSED! ONLY WORKS WITH DSC Classic Series alarm control panels. PC2500, PC2525, PC2530 & PC2550. Please ask if you have questions about compatibility concerns with other DSC vintage security equipment. I’m glad to give you some viable options to try help keep your system up and running. This is for ONE KEYPAD. Compatible with DSC Classic Series Control Panels. This is New old stock that has been sitting on the shelves for several years. These have not been manufactured for quite some time. Your satisfaction is guaranteed. If we made a mistake, then the S&H is on us. Please request an invoice before paying if combining with items from our other listings.