EYV-00016 Surface Pen Com M1776 SC XZ/AR Hdwr Commercial Weight: 0.64 ouncesProduct Dimensions: 7 x 0.5 x 2 inchesItem Dimensions LxWxH: 7 x 0.5 x 2 inchesColor: SILVER Batteries: 1 CR2 batteries required. (Included)Manufacturer: Microsoft Prices exclude sales tax.