When people are out supporting his favorite team, traveling a key point of interet or going to a concert, these binoculars are the ideal companion. Along with the 8 x 21 binoculars is a 640 x 480 digital camera. Easily store your images with the 64 MB of built-in memory then share them with others via the USB port. 8X21 Digital Binoculars & 64MB USB General Features: Item No.：JJDCB02 Spec.：8?21 DC Binoculars Magnification：8? Objective Diameter：21mm Field of View at 1000m：126m Type：Roof Prism Part Of Digital Camera: Photo actor：1/3inch CMOS of high quality Resolution：1.3MP（640X480） Memory Capacity：inside 64M bit SDRAM Number Of Pictures：VGA：26，52；CIF：52，99 Port：USB Shooting mode：Single piece/take automatically/take continuously/PC Camera/establish AVI document Exposure/White Balance：Automatic Focusing Range：>=15m Self-timer Delay：10 Seconds Weight：About 0.35Kg(Excluding the battery) Battery：1?3V