I whakamahia e tētahi kaihanga Finnish te mīhini whakamatao taiaho CWUL-05 TEYU hei whakau i tā rātou pūnaha tohu taiaho UV 3–5W. Nā te otinga whakamatao tika me te kiato i whakapai ake i te ōritetanga o te tohu, i whakaiti i te wā kore mahi, ā, i whakarite kia pono te mahi mō te wā roa.