Two Surge only Outlets, Data-line Surge Protection, Lightening and Surge Protection, Hot-Swappable, User Replaceable Batteries, Advance Early Warning Shutdown, and Configurable Input Voltage Window (110, 120, 127). Output Receptacles: (4) NEMA 5-15R (orange), Battery Backup + surge protection, (2) NEMA 5-15R (Black) Surge Protection. Voltage (Battery Mode): 120VAC plus or minus 8 percent