| 摘要 |
The current invention for LED power failure light device which has 1st LED or LEDs element(s) powered by its power source as night light and 2nd LED or LEDs element(s) powered by non-rechargeable batteries as emergency light incorporate with multiple selections switch to change the 1st and 2nd element(s) LEDs for LED numbers, power consumption, blinking, on/off duration % of each cycle, colors of night light, LED sequential type and other extra function. 1st element(s) power source may be from USB means or Prong means. Also, teach the power saving and cost saving LED light device.
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