These are a really good product, very unfortunately überteuert.Abgesehen of the spray device, an ordinary compressed air Spray.Mit Returns to a proud price of 14.10! The product does what it promises, but you get for less than 5 equivalent quality Produkte.Es enough to the computer 2-3 times to säubern.Wem the price does not matter, is this article on the safe Seite.Es forms no moisture when versprühen.Dennoch should once briefly by spraying outside the electronics from any application 1-2, because in the beginning of the spraying process already forms a little Feuchtigkeit.Abgesehen the price it's a great product that I recommend to anyone .4 star only because of the price.