you will want to know about lumens, the secret behind the perfect ambiance in your home. When you think about measuring lighting in your home, you probably first think of a watt, which is a unit ...

The more the lumens per watt the more efficient the bulb. The averaged measured color rendering of ten bulb samples. Those closer to 100 will better enable colors to appear the same as if viewed ...

Efficiency is the comparison of the amount of light (lumens) produced by a given amount of electrical energy (watts). The more the lumens per watt the more efficient the bulb.

That’s a lot: the best pocket LED flashlights output about 700 lumens. [RCTestflight] built this monstrosity using ten 100-Watt LEDs, running off two RC car batteries. Each of the LEDs is ...