Module cảnh báo âm thanh MP3/Tone/4mode

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Single Input, Single Output, 4 selectable Tone, RGB 3 Color Ultrabright LED, PoE Ethernet, Piezo Transducer Alarm Siren

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RS-485 communication, Single Input, Single Output, 8 Blue+8 Red LED, 4 selectable Tone, Piezo Transducer Alarm Siren

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Wi-Fi communication, Single Input, Single Output, 4 selectable Tone, Piezo Transducer Alarm Siren

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ALM-Horn-BR CR Single Input, Single Output, 4 selectable Tone, Piezo Transducer Alarm Siren (RoHS)

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MP3 Alert module with RS-485 connection, 4-ch DI and 1-ch Relay Output

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MP3 Alert module with Wi-Fi connection, 6-ch DI and 1-ch Relay Output