A588, building 2, No. 100 West section of the Second Ring Road, Chengdu, Sichuan
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详情
Feature:
● No external high-voltage power supply, power generating through
excercise
● Output voltage less than *6V, safe and controllable
● The generator in the middle supply powers by the motion of the
seesaw, and lighting up the LEDs
● LED is controlled by gravity sensor, the light changes with ups
and downs
