inputs.text: aware electronics kit - though not mentioned ads kit comes circuit board bag parts need assehembled soldered tested though not tough thing certainly surprise opened takes maybe two hours 1 hour find ole soldering station heath kit days burried away garage instructions clear enough parts tape strip order assehembly one wonders flow soldered assehembled unit would actually 12 price due kit overhead costs death heath knight electronic kit manufactures 70s 80s unit design simple resistance differnce engine relatively fool proof operation work find pond application relay handle 3a240 volt control kind solenoid valve water supply rated folks would not able assehemble thing sad state affairs need warned kit