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Shenzhen,Guangdong,China China
連絡先担当者 wendy fu
住所 Shenzhen, Guangdong
compatible for almost all control panel in the market Model BG-937/ BJ-937F Supply voltage DC 3V
Features 4 wires non-polar input Networt relay output / LED indicating, ideal for alarm systerm EN54-7 and GB4715 stanard desi
Features *Highly effective and EN standard compliance photoelectric sensor design, especially more responsive to smoldering and heat stage of fire, pr
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