CREE XM-L T6 LED 2000 lumens ZOOMABLE 2x18650 FLASHLIGHT TORCH ZOOM LAMP LIGHT Output bright can come to max above 2000 lumens Model of LED: CREE XM-L T6 LED Internal wiring applies the high efficient booster circuit ,working voltage is wide and can utilize the batteries in the largest extent. 5 switch Mode: high / middle / low / strobe / sos / Zoom In & Zoom Out Power by : 2 x 18650 3.7v (Included)