HSG-1 壁挂式声力电话

颜色 Colour:亚光黑 Dull black

外壳材质 Shell material:ABS

填料函Cable gland:1-PG25;1-PG16

供电电源 Powersupply:DC24V±10%

防护等级IPrating:IP44

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 batteryless telephone