Think what these improvements in lightingefficiency mean.
想一想这些进步对于高效率照明意味着什么。
2
Characteristics: small size, high lightingefficiency, easy for use, safety, lighting is very good for far or close.
特点：光效高，体积小，容易使用，安全，远或近照明效果佳。
3
Yet another lighting technology is on the horizon that offers further advantages: even greater power efficiency and softer, warmer light, the colour of which can be precisely controlled.