Eliminate power fluctuations with this APC Back-UPS 450VA surge protector. Safeguard your computer, monitor, and printer with this protective outlet box. Each of the six three-pronged outlets prevents voltage spikes, and four of these outlets supply battery-operated backup power as soon as electrical service is interrupted. This APC Back-UPS power box permits the use of transformer-based plugs thanks to three widely spaced outlets.450VA / 255W Backup Battery power supply6 Outlets (NEMA 5-15R): 4 UPS Battery Backup with Surge Protection Outlets, and 2 Surge Protection Only Outlets5' Power Cord, right-angle 3-prong wall plug (NEMA 5-15P)During a power outage, an APC UPS battery backup power supply provides backup power for essential home electronics. Ideal battery backup for Wi-Fi routersBacked by APC's 3 YEAR WARRANTY, and $75,000 connected-equipment policy