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Hard Of Hearing Help Point Intercom

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hard of hearing help point intercom

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Transportation Help Point Intercom For Hard Of Hearing People

Brand Name:Yuantong

Place of Origin:China, Shenzhen

Technical Parameters Voltage DC5V/1A Standby working current ≤300MA Frequency Response 250～3000 Hz Ringing level ≥85dB(A) Anti-corrosion grade WF2 Ambient temperature -20～+60℃ Air pressure 80～110KPa Relative humidity ≤95% Lead hole 1-Ø10 Installation ...

Shenzhen Yuantong Modern Technology Co., Ltd.

Verified Supplier

Guangdong

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