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https://www.amazon.com/DGZZI-Transistor-Trigger-Regulator-Electronic/dp/B07PT4MMCK/ref=sr_1_5?keywords=mosfet+switch+12v&qid=1581912882&sr=8-5

https://www.amazon.com/SEACHOICE-11701-Push-Button-Switch/dp/B0002UENVA/ref=sr_1_4?dchild=1&dd=li2qXdCR8KI3UPPBuPd9fg%2C%2C&ddc_refnmnt=free&keywords=momentary+switch&qid=1581912924&refinements=p_101%3A19346685011&rnid=19346684011&sr=8-4

https://www.amazon.com/VizGiz-Connector-5-5x2-1mm-Terminal-Replacement/dp/B07MPS3QD8/ref=sr_1_18?keywords=12v+power+jack&qid=1581913023&sr=8-18