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purchased it straight from china for $8.00 works good. like that I can change the battery.

#1 The prong for the battery’s was folded down under the battery’s not straight up so out of the box it didn’t work. #2 No lock nut for the dimmer control.#3 No instructions.This thing is a total pile of crap.

This is junk! Don't buy, this is junk. Did not work the day I got it. Buy from a good company. JUNK!, JUNK!, JUNK!.