The advanced battery voltage display. User can know how is the battery capacity and voltage from the color of the LED button.

最新的电量显示，让客户可以清楚电子烟电池容量，提前做好充电需要哦。

youdao

He ripped away a wire that led to the alarm button.

他把连接报警按钮的电线扯掉了。

《柯林斯英汉双解大词典》

When the application starts, the broker connect button is enabled and the led is set to red showing that there is no connection present.

应用程序启动时，启用代理Connect按钮，设置LED为红色，表明当前没有连接。

youdao

The LaCie Blade Runner also features an LED power button in the form of Starck's signature symbol that glows to indicate activity.

ENGADGET: LaCie teams up with Philippe Starck on the Blade Runner limited edition hard drive

For example, a number of companies provide tailored advice for individuals about how to save money on their electricity bills based on their own energy usage data, which is made available through the Administration-catalyzed, industry-led Green Button initiative.

WHITEHOUSE: Consumer.Data.Gov is Live!

Button led the way in the opening practice session, but the second saw the field close up behind pacesetter, Sebastian Vettel.

BBC: Jenson Button 'needs' podium finish at Italian GP