Learning

What is CRI (Color Rendering Index)

What is CRI?CRI stands for Color Rendering Index, is measure of the degree to which the psychophysical colour of an object illuminated by the test illuminant conforms to that of...

What is Lumen

When you buy bulbs and light fixture, you may find the word "lumen" many times. What is lumen?DefinitionThe lumens definition is: “Luminous flux emitted in unit solid angle (steradian) by...

How to Install Solar Security Light - Easy 3 Steps

Solar security lights are very popular, which can save energy and your effort to manually turn it on/off. Besides, it’s easy to install as follows:3 Steps to Install LED Solar...

How to Install Outdoor LED Flood Lights - Easy ...

LED flood lights are widely used for gardens, backyards, garages, parking lot lighting, and more. This page introduces how to install LED flood lights.LED Outdoor Security LightsSimple Guide to Install...

How to Buy Outdoor LED Flood Lights - 4 Key Poi...

LED flood lights are widely used for gardens, backyards, garages, parking lot lighting, and more. How to buy the most suitable LED flood lights for your project? 4 key points...

How to Install LED Flush Mount Ceiling Lights

LED ceiling lights are necessary for the most of families. If hire electrician to install, it usually takes over $100. Now you can save $100 by following the video or article...