APC Smart-UPS On-Line,4500 Watts /5000 VA,Input 208V, 230V /Output 208V, 230V, Interface Port Contact Closure, RJ-45 10/100 Base-T, RJ-45 Serial, Smart-Slot, USB, Extended runtime model, Rack Height 3 U Includes: CD with software, Documentation CD, Installation guide, Rack mounting hardware, Rack Mounting support rails, Removable support feet, Temperature Probe, User Manual, Warranty card, Web/SNMP Management Card