Installation instructions: red positive, negative white line, marked with an arrow on the housing, one end of the arrow pointing to the output (connected bulbs or LED lights). Note: The flash frequency of 4Hz, slow flashing frequency of 1.2Hz, mode 13 and 14 light and dark change frequency is 3Hz, 15 frequency mode is 1.2Hz, respiratory effects of light and dark gradient, a period of 3 seconds.
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