APC Smart-UPS On-Line,4250 Watts /5000 VA,Input 208V /Output 208V, Interface Port Contact Closure, RJ-45 10/100 Base-T, RJ-45 Serial, Smart-Slot, USB, Extended runtime model, Rack Height 3 U. Includes: Documentation CD, Rack Mounting brackets, Rack mounting hardware, Rack Mounting support rails, USB cable, User Manual, Warranty card, Web/SNMP Management Card