automatic emergency light uninterruptible power supply for lighting |
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| navigate by keyword : ceiling transport iron vehicle lighting floor room stairs handrail architecture roof window bumper glass abstract alarm auto battery building control danger design door doorway electric electrical emergency energy equipment escape exit fail failure hang home hospital indoor interior isolated lamp light metal modern office open outage power rescue safe safety security shine sight sign system technology ups white working automatic uninterruptible supply |
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| Automatic EMERGENCY LIGHT, uninterruptible power supply for lighting when the power went out. |
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