The LED Lenser L7 LED flashlight features the Advanced Focus System for one-handed, near-to-far focusing. It is also constructed out of shock-resistant polycarbonate making it lightweight as well as shatter- and temperature-resistant.
LED Lenser L7 Technology:
LED Lenser was founded in 1994 by twin brothers Rainer and Harald Opolka in their garage in Germany. Now LED Lenser has over 1000 employees, hundreds of patents and numerous design awards. There are a number of reasons to buy an LED Lenser flashlight, but one very good reason is that they stand behind their product with a five-year-warranty, wherein they will repair or replace the product and ship it back to you at their expense.
Information from LED Lenser