电话按键显示器，能够正确显示按键数字，数字能够从右向左移动，能够存储当前电话号码，具有重拨功能，删除，查询已拨号码等功能-Phone keypad display, capable of displaying the correct key figures, figures can move right to left, it is possible to store the current phone number, with a redial function, delete, query