One kind prompting the device of watering with data roam,Include a soil moisture sensing unit be equipped with a soil moisture sensor,One processing unit and a wireless transmitter,The humidity of soil is sensed through soil moisture sensor,It is converted into soil moisture signal through processing unit,Launched again by wireless transmitter; One host includes one of signal connection wireless transmitter wireless receiver,And it is electrically connected one of wireless receiver control unit,Control unit is electrically connected a display unit and a phonation unit,Soil moisture signal is received by wireless receiver,Soil moisture signal is handled through control unit again,And regarded by display unit display soil moisture numerical value for seeing,And work as the low what preset value of soil moisture signal,It then executes phonation unit and issues voice prompt reminding watering,To reach the purpose that remote monitoring plants cultivation object.一種以無線傳訊提示澆水之裝置,包含有一土壤濕度感測單元設有一土壤濕度感測器、一處理單元及一無線發射器,透過土壤濕度感測器感測土壤的濕度,經處理單元轉換成土壤濕度訊號,再由無線發射器發射出;一主機包含有訊號連接無線發射器之一無線接收器,及電性連接無線接收器之一控制單元,控制單元電性連接一顯示單元及一發聲單元,藉由無線接收器接收土壤濕度訊號,再經控制單元處理土壤濕度訊號,而由顯示單元顯示土壤濕度數值以供觀視,且當土壤濕度訊號低於預設值,則執行發聲單元發出提示聲音提醒澆水,以達成遠端監控植栽物的目的。