APC Back-UPS ES 550VA Desktop UPS - Tower - 1 Day Recharge - 3.30 Minute Stand-by - 110 V AC Input - 120 V AC Output - 4 x NEMA 5-15R, 4 x NEMA 5-15R - BE550G

Building Wiring Fault Indicator - This LED informs users of potentially dangerous wiring problems in the wall circuit.
Cold-start capable - Provides temporary battery power when the utility power is out.
Dataline surge protection - Provides protection of connected equipment from power surges on the data lines.
Disconnected battery notification - Warns when a battery is not available to provide backup power.
Hot-swappable batteries - Ensures clean, uninterrupted power to protected equipment while batteries are being replaced
Lifetime data recovery warranty - Provides peace of mind by providing professional data recovery services in the event data is lost due to the failure of the unit.
Simple battery replacement - Increases UPS availability by allowing quick, easy battery replacement.
Transformer-block spaced outlets - Protect equipment with input transformer blocks without blocking access to other receptacles.
USB connection - Use your PC to access additional power protection and management features for your UPS via a USB Port.