Hello!   Could you please help me? I´ve been researching this for hours now... What manufacturer or brand is this? There´s "100" or "400" (can´t see it well) written on the front button.   http://1.bp.blogspot.com/-brWBEfYRbN0/UCObq4Hcg5I/AAAAAAAAAww/_3u5WUL2ets/s1600/Stardust-Bild.jpg   Thank you!