power saving Lamp for people who like to open the hourglass lamp when sleeping

Many people will like me, like driving a TV or lamp to sleep. But it is easy to waste.

The hourglass lamp on fresh ideas to solve this problem, it has soft lighting, and built-in sensors. When the sand under the leak stopped when the light will automatically turn off. Under the drain each time takes about an hour.

You only need to invert it before bedtime, then you can sleep at ease.

This really is an hourglass in basic, blue black sand in the hourglass will slowly flowing.