Luminaire Estelle ikomatanya igishushanyo mbonera muburyo bwa silindrike, intoki zakozwe nintoki hamwe nubuhanga bushya bwo kumurika butanga ingaruka zumucyo wibice bitatu kumatara yimyenda. Nkana yashizweho kugirango ahindure umwuka wumucyo mubyiyumvo byamarangamutima, Estelle itanga ubwoko butagira akagero bwimyumvire ihamye kandi ihindagurika itanga amabara yubwoko bwose ninzibacyuho, igenzurwa hakoreshejwe panne ikora kuri luminaire cyangwa porogaramu ya terefone.