Reacho brand emergency device for elevator has multiple functions; it can provide both illumination voltages for elevator and pronunciation indication for user.
多项选用功能，可向用户提供电梯照明电压、语音提示。
Reacho brand emergency device for elevator has multiple functions; it can provide both illumination voltages for elevator and pronunciation indication for user.
多项选用功能，可向用户提供电梯照明电压、语音提示。
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