http://www.dinodirect.com/flashlights-3800lumens.html

Are you always walking in a dark road after work? Are you afraid of night?
I f you are, you need a tool to bring you confidence and warm! Powerful and reliable-this flashlight is a must have! Maybe, you don't realize the importance a flashlight, however, when considering the following aspects: setting up camp at dusk, cooking after sunset, hiking in the early morning or evening, want to be safer in emergencies. Then you need a flashlight!
Compact and super bright, this compact flashlight is necessary!Suitable for camping, hiking, fishing, skateboarding, working and so on, this amazing flashlight torch allows you to work under even the darkest conditions. It adopts the advanced technology which can emit a super bright light in the dark. With the special design, this waterproof flashlight can be used in various kinds of circumstances. The tactical flashlight is made of special material with waterproof function. This powerful flashlight can be used for a long time. Besides, it can provide ultra bright and high intensity light to satisfy your various needs! The most important point is that this torch light is lightweight and comfortable to hold.
Powered by 2 x 18650 rechargeable batteries, this compact flashlight is power saving. It is safe and convenient to operate this energy-saving flashlight torch. Have a try, you will find it is the best choice for you! Now you can still do your work at night, if you own one of these powerful flashlights and will never get missed in the darkness! A great companion, you will love it!

I have this flashlight. But 3800 lumens is not real I think. It looks like 500 lumens flashlight. You should read tactical flashlight guide to understand the real lumens. Because, lots of fake flashlight here and there.