Dual color indicating light shows the condition of the battery pack.

双色指示灯，指示清晰，当前状态一目了然；

youdao

The levers and light were set up in exactly the same way except that this time it was only Doris who could see the light indicating which lever to press first.

杠杆和光的设置完全一样，只不过这次只有多莉丝能看到先按哪个杠杆的灯的指示。

youdao

A light lit above the lever indicating drugs were available to be administered.

在操作杆上面亮着一盏灯，指示药物能够被取用。

youdao

Tell them that it was a mistake for Google not to put a red light indicating that a photo or video is being taken, and that you hope there will be one in future iterations (even though evil folk may find a way to somehow disable the light).

WSJ: Google Glass: An Etiquette Guide

It's palm-sized with a single blue LED light indicating a connection, but honestly you don't ever need to look at it: it doesn't need line-of-sight to your handset because it uses a wireless protocol called WiFi Display, which means you can happily leave it dangling out of the way behind your TV.

ENGADGET: AllShare Cast wireless streaming dongle for Samsung Galaxy S III -- hands-on (video)

Her pupils were dilated and did not react to light, indicating that her brain was no longer working.

NEWYORKER: The Checklist