Tripp Lite BC450 450 VA/255-Watt Standby UPS

• 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;