This 2-in-1 flashlight has the capability of a spotlight mode along with a floodlight with the 360-degree rotary focusing function. This FD41 features a floodlight with a wide beam of 81 degrees and a spotlight that has a beam throw of over 1,115 feet (340 meters). This FD41 is fitted with an optical lens with total reflective coating. Revolving the focusing ring moves the head and the optical lens forward and backward from the LED, thus regulating the focus between spotlight and floodlight. It delivers max output of 900 lumens. The tail switch plus side switch and compatibility with 18650 Li-ion as well as the cold-resistant CR123A batteries makes the FD41 stand out when searching, camping and photographing outdoors.