Protects equipment against blackouts, brownouts, overvoltages, surges, and line noise; 316 Joules of surge suppression; Keeps AC power running during blackouts to allow time for file saves and safe shutdown; 6 NEMA 5-15R outlets power and protect PC, home theater, or digital signage equipment; Home-friendly alarm remains silent in backup mode, sounding only when imperative; High >95% efficiency with low BTU ratings saves electricity and lowers energy costs; Includes USB cable and owner’s manual;