thank you for that 300 volt dc not ac is there any reason it has to be dc not just given a straight 240vot without pcb ,has dyson got a better motor they could put in place of this short life one, or is this to keep mr dyson in his way of life,he should say no lack of suck but will only last up 250 hours of use this should be on his tv add .I don't think I will tell any body to buy one and I will put mine up for sale after new brush bar head is replaced In short it is a poor item that cost good money with a poor life span .or does he make one that last/s like ( hoover and henery istill have a old hen,ery I use for the car and it has never let me down in the past ten years iwill have to give him a clean and bring him back into the house dyson add should say this one only last/s 2years if you use it for 1/2 hr a day poor not a good buy at all