APC (American Power Conversion) BK500 500VA UPSSurge Protector Battery Backup Keeps Critical Components Running Protection from Dangerous Surges and Spikes Prevent Data Corruption with PowerChute Software 6 Total Outlets  3 Battery Backup, 3 Surge Only Outlets Package Contents: APC Back-UPS BK500 with 6-foot power cord, PowerChute Personal Edition software CD, cord management straps, USB cable, and user manual