1600 Lumen Zoomable CREE XM-L T6 LED 18650 Flashlight Torch Zoom Lamp Light B900 Type of LED : CREE XM-L T6 LED Adjustable Focus : Can adjust its focus for different usage . Max Output brightness : Can come to 1600 lumens [lm] Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent. Material: High quality 6061T Aluminum.