DSC PC 5516Z Digital LED Keypad. Guaranteed not to be Dead on Arrival. RARE & HARD TO FIND.. And yes REALLY NEW & UNUSED! Please ask if you have questions about compatibility concerns with other DSC vintage security equipment. This is for ONE Keypad. DSC PC5516Z 16 Zone LED Keypad. Compatible with DSC Classic & PowerSeries Control Panels Including PC1555, PC1555MX, PC1565, Power 432 series, Power 632 series. Power 832 & Power 864. Your system features one or more PC5516Z Keypads. The keypad is used to enter commands to operate the system, and to view operating information about the system. Information about the system is displayed on the Zone Lights, labeled 1 through 16. The keypad also features seven System Status lights. “Ready”, “Armed”, “Memory”, “Bypass”, “Trouble”, “Program” and “Fire”. Commands are entered on the keypad by pressing one key at a 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.