Simplex LED Switch Controller Sub-assembly 4100-1288 This unit comes with: One 4100 LED/SWITCH Controller Five LED/SWITCH Filler Plate Sub-Assembly (Model No 4100-1279) Two 8 Switch 8/16 LED Module 566-062 Some Assorted wires This unit is new. NOTE: We are wholesaler/liquidators. I am not an alarm technician and am totally ignorant on this assembly. Any mistakes in this listing are unintentional. Please look at the photos carefully. What you see is what you get. I am counting upon you to know what you are looking at and buying! All fire alarm parts should be installed and tested by a certified fire alarm professional as required by local codes and NFPA. Disclaimer: We are not affiliated with any fire alarm manufacturers or dealers. We offer high quality new and seller reconditioned reliable fire alarm parts to help you maintain your existing fire systems. We buy, sell, and liquidate excess fire alarm parts. We are selling a huge amount of new alarm equipment! Please take a look at our other listings! *WE CAN WORK OUT A DEAL FOR BULK ORDERS* SHELF: i (warehouse)