花旗银行将开始测试一款带有一对按钮和小指示灯的信用卡，用户在结账时可以选择使用积分还是信用付款。

Citibank will begin testing a card that has 2 buttons and tiny lights that allow users to choose at the register whether they want to pay with rewards points or credit.

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按键下方的几个显眼的指示灯是让用户在调节档位和模式切换的时候更直观使用。

Several prominent lights below the key is to allow the user to adjust the gear and mode switching more intuitive use.

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内装元件主要有：万能转换开关，按钮，电流表，指示灯等，可按用户要求装其他仪表。

Install inside component: Omnipotent change-over switch, press the button, an ampere meter, Indicator lamp wait, can load other instruments with according to user "s request."

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