颜色Colour:亚光果 Dull black
外壳材质 Shell material: ABS
供电电源 Power supply:DC24V+10%
防护等级IP rating:IP22
产品“调光”可选Product"Dimming"is optional
选通声力电话和直通声力电话机设备安装尺寸相同
The installation size of the selective batterylesstelephone is the same as batteryiess telephone调光可选
Dimming optional
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