The solar emergency bulb is an energy saving light bulb that utilizes the extra space in the center of the bulb to house a small solar panel light & battery.
The concept is when the power goes out the bulb will switch on the secondary light.
What you need:
Solar walkway light
an energy saver light bulb
wire cutters
electrical tape
glue gun
Original video and concept by: Matt Thorns
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Post time: Jan-09-2017