Red Light Therapy, Dual Chip Clinical Grade with 60 LEDs Device, High Power Near-Infrared Panels at 660nm/850nm, Timer Function for Body, Pain Relief, Face, Improve Sleep, Skin Health, (Black)

It depends on your budget and your goal. There are several desktop-sized panels on Amazon that are worth considering. This one has 5 wavelengths goes for $180 and gets periodically discounted to $143. https://www.amazon.com/BONTANNY-Therapy-Wavelengths-Infrared-Clinical/dp/B0DPMHQSC1/This one is currently unavailable. https://www.amazon.com/dp/B0F6CS5KMM If you want a mask, there are several options like Solawave ($400) or Higher Dose ($250 at Costco.com). Or, search this subreddit for cheap masks Amazon. You could get a half-body panel with 300-, 350-, or 360-LEDs, dual chip on Alibaba. Prices range from $329 (I think) to $700. I would consider JUNEELED, APTREDLIGHT, or Sungrow for their respective 300, M350 (insist on dual-chip), and ES1800. Here are the factors to consider: https://www.reddit.com/r/redlighttherapy/comments/1ts3nri/understanding_tricks_of_rlt_panel_sellers/