UV LED nail lamp.

LED nail lamp for one finger. (nesting doll) matreshka

1A 5V Micro USB TP4056 Lithium Battery Power Charger Board Module TE420
https://www.amazon.com/gp/product/B01DRT4PWY/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

5mm Purple UV LED
https://www.amazon.com/gp/product/B01AUI4VTM/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1