Ko te YY637 Series Sound-Light Locating Active Tag he tohu hiko kiato me te hihiko me te tohu LED me te buzzer.. I raro i etahi tikanga, ka taea e ia te whakaputa whakaoho oro-ataata hei whakautu ki nga tohu whakaoho, na reira ka taea te waahi me nga mahi aroturuki. Ka mahi te tūtohu i roto i te "aratau hohe, hāngū rānei": he kaha te tuku tohu, ka tuku tohu ranei ki runga …