◎ 采用微功耗专用CPU。                                                     ◎ 无线发射结构，用于铝合金门，安装方便。双干簧管磁控开关。                                                                                  ◎ 阻燃材料的外壳。独特的外型设计，美观、大方。                                                                                             ◎ 工作电压：3V。发射频率：433MHz。