Purchase Qty. Reference FOB Price
3,000-4,999 Pieces US$3.30
5,000-9,999 Pieces US$3.10
10,000+ Pieces US$2.90
Product Description
Product Description Description The independent photoelectric smoke fire detection alarm YB030 detects the fire through the principle of dual optical path scattering. Scattered light's intensity can identify whether there is smoke or not. When the smoke reaches a certain concentration, that is, ...