POWER SAVING BACK-UPS XS 1500 (Discontinued by Manufacturer) 10 Outlets Green Savings 3 Year Warranty Battery failure notification - Provides early-warning fault analysis on batteries enabling timely preventive maintenance Power-saving outlets - Automatically cuts power to idle equipment to conserve electricity Data-line Protection - Protection of data lines ensures complete protection of your equipment from surges 8 outlet models offer dedicated space to accommodate wide transformer blocks without covering adjoining outlets Reserves power capacity and run time for connected equipment that require battery back-up Audible alarm LCD display Master/slave connections