What is the size of HP win7 desktop wallpaper?

Screen size 2 1.5 inch. The optimal resolution is 1920x 1080. Its wallpaper types are: exquisite calendar, military wallpaper, alternative wallpaper and gourmet wallpaper. Famous painting wallpaper, apple wallpaper, photographic wallpaper, zodiac, zodiac, hand-painted beauty; Fruit wallpaper, sports wallpaper, fan wallpaper, artistic creativity, Yuan Ye scenery, natural scenery, animation, scenery, non-mainstream, cars, games, stars, calendars, handsome guys, funny, animals, nature, romance, home, alternative, military, people, science fiction, constellations, plants, art, sports, signs, music, food.