迷你尺寸不锈钢囚犯囚犯病人电话拨号Pad - JWAT145型号:JWAT145防护等级:IP54材料:不锈钢304尺寸:110 x 165 x 121.9通信方式:模拟产品说明标准模拟电话。电话线接通了。2.304不锈钢材质外壳,机械强度高,抗冲击性强。3.防破坏手机与内部钢挂绳和环提供了额外的安全性的手机线。4.锌合金键盘。5.带簧片开关的磁钩开关。6.Optional noise-canceling microphone available 7.Wall mounted, Simple installation. 8.Weather proof protection IP54. 9.Connection: RJ11 screw terminal pair cable. 10.Multiple color available. 11.Self-made telephone spare part available. 12. CE, FCC, RoHS, ISO9001 compliant.