What you should be asking ......

Lighting  - Not All Light Emitting Diodes (LEDs) are Equal

Ask  ...  
1.       What is the ‘delivered’ Lumens Per Watt?
2.       Whose chip are you using?
3.       What is the maximum designed milliamperage of the chip?
4.       What milliamperage is the chip being driven at?
5.       What is the junction temperature on the LED chip? (Heat Kills!)
6.       What is the rated life of the light engine?
7.       Whose driver are you using?
8.       Is the driver ‘internal’ or external’? (Remember – Heat Kills)
9.       What is the warranty on the product?
10.      What is the best way to get  a hold of Renoivse to help me?   Click here!

Renovise can help you analyze the options and savings