WindFire Super Bright 1600LM Lumens CREE XML XM-L T6 Zoomable LED Flashlight with WindFire 4000mah 18650 Battery and Single Slot Charger Set Zoomable to adjust as you wish 5-MODE: High/Medium/Low/Strobe/SOS WindFire Super Bright CREE XM-L T6 U2 LED Flashlight 1600 Lumens Maximum output Power Source: 1 x 18650 or 3x AAA Batteries