Isikhululo sokutshaja esixhonywe eludongeni se-7KW-22KW sokusetyenziswa kwezorhwebo nasekhaya, inguqulelo yesokhethi kunye nenguqulelo yeplagi. Iminyaka esi-8 yefektri yokutshaja iinqwaba, inokuhlangabezana nazo zonke iimfuno zabathengi ezenzelwe wena kushishino lweenqwaba zokutshaja, kubandakanya inkangeleko, ilogo, ulwimi, usetyenziso, ibhodi yesekethe, ikholamu njalo njalo. Yenzelwe ngokuzimeleyo, yahlukile kwezinye iimodeli ezikhoyo kwimarike.