Teal 16 x 20 x 4.5 Enclosure with Tamper Switch, AQS1210B Power Supply and PDB-8C1R2 Power Distribution Board, LP4502 (on-board Ethernet connection and two reader support, 4 output and 8 input relays, two down stream 485 ports and with 16MB) & MR16IN-S3. UL Certification and Documentation Pending.