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Is this bulb more about looks or function

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Standard-BL Edgelit Aluminum Exit Sign Single Face Red Letters Mirror Panel White Housing Battery Backup Self-Diagnostics Dual 120/277V (NYELXTEU1RMWEMSDT) nostock RDA Lighting UCP2-LED-NW Under-Cabinet FixtureStandard BL Edgelit Aluminum Exit Sign Single Face Red Letters Mirror Panel White Housing Battery Backup Self Diagnostics Dual 120 277V (NYELXTEU1RMWEMSDT)