Fenix R5 LED Flashlight - This is the updated mode of the LD20 model. This powerful light puts out 190 Lumens out of two AA batteries. This new model incorporates the side mode switch with four brightness levels. Run times on the new LD22 are exceptional. In Turbo mode, approximate run time at 190 Lumens is 2 hours and 26 min. When you enter the lowest mode at 3 Lumens, you will get approximately 110 hours of performance.