Intoduction:This photoelectric smoke detector detects smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can refl...
Security home smoke detector(PW-509S)
Peaway stand alone smoke alarm designed for residential and institutional applications including sleeping rooms of hospitals, ho...
Diy smoke detector alarm(PW-509S)
Peaway stand alone smoke alarm designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, ...