颜色Colour:亚光黑 Dull black
外壳材质 Shell material: ABS
填料函Cable gland:PG25;PG16
振铃响度 Ringing loudness:>75dB
防护等级 IP rating:IP44
双音频按键式话机
Double tone push button telephone set
hy1993@hzhuayan.com
0571-82695169 / 82695181