It packs in features like LED Display & Power Switch, Sheet-Separating Veins, Battery Slot and Infrared Ray Scanning. Slip it on the thumb and you’re set. My only worry would be a bundle of soiled and crumpled notes, however overall for a majority of cash-stash, this should do. Designers: Wei Hansen, Li Shaochen, Xu Jinrui, Qi Yibin & Zhao Ying