DSC LCD5501Z ADTSB PremisePro (White) Fixed Message LCD 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 Keypad (Fixed English Version). Compatible with DSC Power Series Control Panels. GREAT Upgrade Option for the PC5508Z, PC5516Z & PC5532Z Keypads. 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.