F21-4D
 標準配置： *發射器1支(含背帶) *接收機1部
*接收機自帶1~2米連接電纜*操作及維護手冊1本
*具有6只操作按鍵：4只按鍵（雙速)+ 1只旋轉開機/備用開關鎖匙+1只總停                                                                                                                                                                                                                                         
*控制點數達7個 *可由電腦接口設定內部功能                                                                                                                                                 *上/下、東/西、南/北可設定為是否互相抑制。                                                                                                                                                *備用1鍵可設定為開機、加速、捺跳、普通等功能。
控制距離：可達100米                                                                                                                                             防護等級：IP65                                                                                                                                       發射器電源：直流3V                                                                                                                                                                            接收器電源：交流380V/220V可選擇,或直流12V/24V