HP Photosmart R837 is a camera numericals compact. This model is part of the family of the Hewlett Packard Photosmart which does not insert viewfinder but gives a screen LCD of 3 thumbs. It is equipped with a sensor CDD, with an interface USB and gives a resolution of 7,41 megapixel. It allows to perform one optic zoom lens of 3x. Its internal capacity of 32 Mb is stretchy thanks to cards memories SD and SDHC Card.