The LEDs of the glove used can emit light with different colors under the control of the toggle switch, which improves the visibility at night.

本发明采用发光二 极管，在拨动开关的控制下，发出不同颜色的光线，在夜晚能见度较低的情况 下可视度较高。

youdao

The switch to LEDs is proceeding far more rapidly than experts had predicted just two years ago.

发光二级管的应用进程速度大大超过了专家两年前的预测。

youdao

It was also a big week for lighting news as we learned that compact fluorescent light bulbs emit potentially harmful UV radiation -- another good reason to make the switch to LEDs.

ENGADGET: Inhabitat's Week in Green: Eindhoven's Evoluon Center, folding compact cars and the best of 3D printing

The topmost section features a physical volume dial that also serves as a mute switch when pushed, surrounded by a circular cluster of LEDs (for clockwise-flowing level indication) and then a secondary outer ring of capacitive buttons and LED indicators.

ENGADGET: Turtle Beach XP Seven Series headset review: a new era of tournament-grade gaming audio