inputs.text: two models slight difference whole factory needs know - bought model similar one elsewhere not sure wx150 meets home needs quite well earlier reviewer mentioned easy edit alerts fact radio ability add alerts new ones created checked noaa online found radio alerts programmed online webpage still trying find need programmed inmy model one output pulse start external alarm systehem wx200 one external speaker output one needs alert large area directly need find wx200proeasy programhas two alarm clocksgood receiverconnot much complaint power green light little bright placehement near bed alarm adjusted really loud really nit