https://www.amazon.com/ABI-620-630nm-Active-Cooling-Flowering/dp/B01MS66S4J/ref=pd_bap_m_rp_2/135-6714674-7215232?_encoding=UTF8&pd_rd_i=B01MS66S4J&pd_rd_r=edc96c3a-ac1c-4ff7-8b17-3205921f546e&pd_rd_w=QySwA&pd_rd_wg=RqjdL&pf_rd_p=b5d6be3e-b2ac-42d5-88b7-3ebe5660f038&pf_rd_r=CJSJSFK2N13Z2QQCYDER&psc=1&refRID=CJSJSFK2N13Z2QQCYDER

The light is advertised as 630 nm, which is the correct wavelength and we are assuming that the light is as advertised. Now that I have the paper handy, they state 16.3 mW/cm-2. However, the meter uses W/m2 which means we move the decimal place to the right. So we want the meter to read, 163 W/m2.