Building Wiring Fault Indicator - This LED informs users of potentially dangerous wiring problems in the wall circuit. Dataline surge protection - Provides protection of connected equipment from power surges on the data lines. Boost Automatic Voltage Regulation (AVR) - Preserves battery life and maximizes runtime by correcting low voltages without discharging the battery. Automatic self-test - Periodic battery self-test ensures early detection of a battery that needs to be replaced. Disconnected battery notification - Warns when a battery is not available to provide backup power. Battery failure notification - Provides early-warning fault analysis on batteries enabling timely preventive maintenance Hot-swappable batteries - Ensures clean, uninterrupted power to protected equipment while batteries are being replaced Battery replacement without tools - Enables fast battery replacement, lowering Mean Time to Repair (MTTR). Cold-start capable - Provides temporary battery power when the utility power is out. Audible alarms - Provides notification of changing utility power and UPS power conditions 8 outlets, 4 with battery backup and surge protection, let you keep multiple devices protected against power outages and fluctuations. 1,000VA and 600-watt capacity. Eco-conscious choice - has one or more meaningful eco-attributes or eco-labels. Helps save energy - designed to limit the energy used by other products, potentially helping you reduce your carbon footprint and save money.