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Title: No push button for on off like I thought there might be.
Review: Item is larger than I expected, 3 or 3 1/2" by maybe an inch or 1 1/2". Was more electronic than I thought it would be, a transistor and some resistors and caps plus a huge potentiometer. It's not designed the best, hard to cram the wires all to one side plus the screw post's are in the center and close to where the wires exit so it tends to try to smash the wires when you close the two halves, pain in the ... But worth it when you finally get it together.
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