*供電:2xAAA 電池(不包含)                                                             
*主機和智能手機同時提示門鈴音                                                          
*1顆紅色工作指示燈                                                           
*傳輸頻率:433Mhz                                                            
*尺寸:5x8x2cm                                                                        
*彩盒包裝