高分貝多音調(diào)信號揚聲器高分貝多音調(diào)信號揚聲器聲光報警器、組合聲光警報系統(tǒng),聲光語音音信報警系統(tǒng)被廣泛應(yīng)用在冶金、
鋼鐵、石油、煤礦、...信號燈品牌多種,款式規(guī)格多樣,有高分貝多音調(diào)信號揚聲器    SDLR-WM-12V-R-P    SDLR-WM-24V-R-P    SDLR-WM-110V-R-P    SDLR-WM-220V-R-P    SDLR-WA-12V-R-P    SDLR-WA-24V-R-P    SDLR-WA-110V-R-P    SDLR-WA-220V-R-P    SDLR-WV-12V-R-P    SDLR-WV-24V-R-P    SDLR-WV-110V-R-P    SDLR-WV-220V-R-P    SMD-WS-12V-R(A,G,B,)    SMD-WS-24V-R(A,G,B,)    SMD-WS-110V-R(A,G,B,)    SMD-WS-220V-R(A,G,B,)    SMD-WP-12V-R(A,G,B,)    SMD-WP-24V-R(A,G,B,)    SMD-WP-110V-R(A,G,B,)    SMD-WP-220V-R(A,G,B,)    SMD-WM-12V-R(A,G,B,)    SMD-WM-24V-R(A,G,B,)    SMD-WM-110V-R(A,G,B,)    SMD-WM-220V-R(A,G,B,)    SMD-WA-12V-R(A,G,B,)    SMD-WA-24V-R(A,G,B,)    SMD-WA-110V-R(A,G,B,)    SMD-WA-220V-R(A,G,B,)    SMD-WV-12V-R(A,G,B,)    SMD-WV-24V-R(A,G,B,)    SMD-WV-110V-R(A,G,B,)    SMD-WV-220V-R(A,G,B,)    SMD-WS-12V-R-P    SMD-WS-24V-R-P    SMD-WS-110V-R-P    SMD-WS-220V-R-P    SMD-WP-12V-R-P    SMD-WP-24V-R-P    SMD-WP-110V-R-P    SMD-WP-220V-R-P    SMD-WM-12V-R-P    SMD-WM-24V-R-P    SMD-WM-110V-R-P    SMD-WM-220V-R-P    SMD-WA-12V-R-P    SMD-WA-24V-R-P    SMD-WA-110V-R-P    SMD-WA-220V-R-P    SMD-WV-12V-R-P    SMD-WV-24V-R-P    SMD-WV-110V-R-P    SMD-WV-220V-R-P    SMDL-WS-12V-R(A,G,B,)    SMDL-WS-24V-R(A,G,B,)    SMDL-WS-110V-R(A,G,B,)    SMDL-WS-220V-R(A,G,B,)    SMDL-WP-12V-R(A,G,B,)    SMDL-WP-24V-R(A,G,B,)    SMDL-WP-110V-R(A,G,B,) &