Be aware that by "3 color" they mean yellow (2700K), white (3500K), and daylight white (5000K), not different colors. Works for me. Also, since the string has a light sensor, it won't turn on until pretty dark. Also ok for me. You can get it to turn on to check that it works (after charged) by blocking light from the panel. After it turns on, it's nice to be able to set it to stay on for 30, 60, or 120 minutes. The lights blink when you set the time, so you know it's done.Now that we have it set up correctly, it seems to work perfectly.
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