This radiator is not to compare the light output of a 300 Watt radiator, but the cost of electricity not. 10 watts but it ne High brightness in low consumption should not be a mekkern. Robustest housing, connection only for Fackkundige. Operation of the motion for someone of something had been to hand, self-explanatory. Well packed. But something short Kabel.Aber broadly at today's electricity prices ne super Sache.Einsatzgebiet: garage, driveway to deter unauthorized access. Works