See Official Detail<br />http://dysonanimalreviewsdysonvacuum.blogspot.com/<br />---<br />I think the hold and vac button is smart, because it's easy to release to save battery time while moving from spot to spot or changing attachments. I'm 64 and didn't find the pressure required or weight of the vacuum a problem. Emptying the dust chamber is so much easier than cleaning the B&D. Granted, the release button is a bit tight, but I think there's a technique to releasing and reclosing that I'll figure out.<br />Official Site<br />Getbuynow.net/more/B000I5Q1IC
