UV nail fungus curing thing - with schematic

This video got off to a really bad start with my usual recording device deciding it couldn't delete previous videos. Then I started the video by saying that the unit runs for 15 seconds, when in fact it runs for 45 seconds. Other than that, this very suspicious device looks like a single finger nail polish curing UV light that has been re-themed by the quacks. It's optionally available with a brush-on liquid of unknown composition. On a plus note, the unit does contain a very useful timer module with a decent MOSFET good for an amp or two, and you also get a neat aluminium core UVA (and phosphor) panel. Reviews said the light only stayed on for 30 seconds, but mine stayed on for 45 seconds with a quick press, but 1 minute if you held the button down until the light came on. The quiescent current of the unit is around 800uA (0.8mA), and the running current is around 500mA. Further investigation of the LEDs shows they contain what appear to be two UV chips, with one stimulating the phosphor to give a bright white light, and the other emitting in a different wavelength. I used a lens to focus the LEDs onto hi vis work trousers and the LEDs both stimulated fluorescence at different levels. If you enjoy my videos, you can help support the channel with a dollar or two for coffee, cookies and gadgets, and keep it independent from the quirks of the YouTube algorithm by supporting me on Patreon. Which also lets me link to my content on other platforms if YouTube uses the ban-hammer (again!) I release content for critique and feedback on Patreon as soon as it has been made. https://www.patreon.com/bigclive Alternatively, for a single contribution you can use PayPal:- https://www.paypal.com/paypalme/bigclive #ElectronicsCreators