Protects equipment against blackouts, brownouts, overvoltages, surges, and line noise; 316 Joules of surge suppression; Battery backup allows time to save files and safely shut down during blackouts; Alarm remains silent in battery mode; sounds to report low battery and overloads; High >98% efficiency reduces BTU emissions, saves power, and lowers energy costs; Battery-independent restart ensures automatic UPS power-up after power outages; Includes owner’s manual;