面板内），避免人为误操作；
●体积轻巧 外形美观 安装方便 抗干扰能力强。
WH400-D-V1,WH400-D-V2,WH400-D-V3,WH400-D-V4,WH400-D-V6.WH400-D-V10,WH400-D-V30,WH400-D-V60,
WH400-D-A1,WH400-D-A2,WH400-D-A3,WH400-D-A5,WH400-D-A10,WH400-D-AA,WH400-D-AB,WH400-D-AC,
WH400-D-VA,WH400-D-VB,WH400-D-VC,WH400-D-VD,WH400-D-VE,WH400-D-VF,WH400-D-Y,
WH400-A-V1,WH400-A-V2,WH400-A-V3,WH400-A-V4,WH400-A-V6.WH400-A-V10,WH400-A-V30,WH400-A-V60,
WH400-A-A1,WH400-A-A2,WH400-A-A3,WH400-A-A5,WH400-A-A10,WH400-A-AA,WH