APC Smart-UPS, 4000 Watts / 5000 VA,Input 230V / Output 230V, Rack Height 5 U Includes: CD with software, Documentation CD, Installation guide, Rack mounting hardware, Rack Mounting support rails, Smart UPS signalling RS-232 cable, User Manual, Web/SNMP Management Card Standard Lead Time: Usually Ships within 4 Weeks -Adjustable voltage-transfer points. -Audible alarms. -Automatic self-test. -Boost and Trim Automatic Voltage Regulation (AVR). -Cold-start capable. -Disconnected battery notification. -Hot-swappable batteries. -LED status indicators. -Network manageable. -Plug-and-Play installation. -Rack/Tower convertible. -Resettable circuit breakers. -Safety-agency approved -Serial Connectivity. -SmartSlot. -Temperature-compensated battery charging.