!!It is with-special-offer version and we will send you the Japanese or US version one!!
Display: Amazon's 6" Paperwhite display with Carta e-paper technology and built-in light, 300 ppi, optimized font technology, 16-level gray scale
Size: 6.7" x 4.6" x 0.36" (169 mm x 117 mm x 9.1 mm) 
Weight : 7.2 ounces (205 grams)
Actual size and weight may vary by configuration and manufacturing process
System Requirements: None; fully wireless and doesn't require a computer to download content
On-Device Storage: 4 GB; holds thousands of books
Cloud Storage: Free cloud storage for all Amazon content
Battery Life: A single charge lasts up to six weeks, based on a half hour of reading per day with wireless off and the light setting at 10. Battery life will vary based on light and wireless usage
Charge Time: Fully charges in approximately 4 hours from a computer via USB cable
Included in the Box: Kindle Paperwhite, USB 2.0 charging cable and Quick Start Guide