I also found this light curtain on Amazon. They cost a bit more, but I would only need one of these if it will work for my 8' distance and work well in the sunlight.

https://www.amazon.com/dp/B0BRK7BPBR/?coliid=I1DV2EIBY41IID&colid=XMUE3SRYZ5IH&ref_=list_c_wl_gv_ov_lig_pi_dp&th=1