September 3, 2018This fireproof ceiling speaker is specially designed for fire alarm and voice evacuation system, which is designed and manufactured according to EN54-24 standard.The metal grille, metal baffle and fir...view
September 3, 2018This water-resistant ceiling speaker RH-TWF23 is specially made for damp environments,built-in 100v transformer with a length of wiring for easy connection, can be used in bathrooms,outside under the...view
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