x*o2010-04-06 07:043 楼Amazon上9.95http://www.amazon.com/gp/offer-listing/B002VY4WXE/ref=asc_df_B002VY4WXE1351103?ie=UTF8&condition=new&tag=shopzilla_mp_1198-20&creative=395165&creativeASIN=B002VY4WXE&linkCode=asm用电池的, 估计只能用在很薄的布上