I really like my little Olight PL mini Valkyrie.
It is on sale for just under the $50 you mentioned , today and tomorrow (Nov. 22nd and Nov. 23rd) during the Black Friday sale.
Direct link ………. https://www.olightstore.com/olight-black-friday
My review on the PL Mini , with a couple of pictures of the PL mini on a Springfield XD pistol and also live outdoor footage in the video portion , comparing it with the H1R and HS2 headlamps ……HERE