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Contact

Use the form for corrections, device submissions and partnership questions. Corrections with a source link are applied to the record and its verification date updates. Rankings cannot be bought, so there is no form for that.

Your name, email and message are sent by email to the site's mailbox and kept only as correspondence. The form is protected by Google reCAPTCHA; see the privacy policy.

Sending a correction

The most useful correction names the device as it appears in the panel database, the field that is wrong (a wavelength, an irradiance figure, a price, a warranty term), the correct value, and a link to where the brand publishes it. A screenshot helps when the source is a product page that changes often. For irradiance, include the instrument and the distance the figure was measured at, because a number without a method cannot be entered; the irradiance labels guide explains why.

Brands: submitting a device

Inclusion in the database is free. Send the full specification sheet for each model: every emitted wavelength and, if you publish it, the share of LED power at each; LED count and chip type; irradiance with the measuring instrument and distance; treatment area; the current price; and the warranty, trial and restocking terms as they appear in your policy pages. Third-party spectrometer reports are welcome and are attributed to the lab by name. A submission does not change how a device is scored; every model is run through the same methodology.

Partnerships and affiliate matters

Commercial questions go through the same form with the partnership option selected. The affiliate disclosure sets out what a commercial relationship does and does not change on this site; sponsored placement is not offered.