PAR METER (PPFD): Lightray Diffuser & Cosine Corrector Reviews
★★★★★ 4.88 out of 5·59 verified reviews·9 with photos
Anthony I.
3rd party app needed for meter is free but you have to pay a monthly fee to get certain spectrums of light LED, HPS, ext. also been trying to get the app to recognize the diffuser for over 10 mins and I don’t think it’s working. Awesome deal in comparison to most PAR meters but not very intuitive setting up and having to pay a monthly fee not very impressed at all.
We are adding more details about the APP on this product page so it's clear. The Photone app that I use, provided an option for a 1 time payment of around $5.00 to unlock the Full Spectrum LED tool and that's all I use without any monthly fee. I will confirm this today and post instructions here. Thank you very much for reviewing so we can be most transparent and also more helpful in suggesting the proper steps.