A: Ma alarm athu a utsi amagwiritsa ntchito zida zapamwamba za dual infrared emitting diode (IR LED), zomwe zimadziwika kuti zimazindikira mwachangu moto womwe ukuyaka komanso kuchepetsa ma alarm abodza. Ma alarm athu a CO amagwiritsa ntchito masensa olondola a electrochemical kuti azindikire odalirika a carbon monoxide.














Tsatanetsatane






























































