Uniform light distribution, clear illumination. Color Temperature: 6000K purely white. Life of bulb: 50,000 hours.
Spot diametar at 500mm:15mm-140mm. OR, you may choose to have a replacement. So that satisfactorily address your concerns. It is impossible to address issues if we do not know about them. The item "USA Dental LED Headlight 5W LED High-Power Medical Headlight Surgical Headlight" is in sale since Monday, September 5, 2016.This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical, Lab & Dental Supplies\Dental Face Shields, Head Lights & Loupes". The seller is "eshopping1009" and is located in California. This item can be shipped worldwide.