product description : digital photo frame effective view area : 154.08 x 86.58 resolution(h x v) : 480 x 234 pixel pitch(h x v) : 0.321 x 0.37 brightness : 350 cd/m2 contrast ratio : 400 : 1 aspect ratio : 16 : 9 backlighting : ccfl memory : 128 mb cf slot : type i, type ii interface : mini usb port