1.I-UGR<19 led spot light ephansi.
2.Isibani sendawo eholayoisisetshenziswa kabanzi ngezindawo zokuhlala, ama-villas, amafulethi.
3.I-lumen ephezulu kanye nokukhanyisa okuphezulu kwe-CRI ongayikhetha.
4.Ukufakwa okulula:ukufakwa okulula nokufihla kwangempela.