Olight R40 Seeker USB AC Rechargeable 1100 Lumen Cree XM-L2 LED Flashlight with AC charger and 4000mAh 26650 Battery Latest CREE XM-L2 LED technology Built in micro usb port for simple and convenient charging Offering 1,100 lumens in high mode and 100 hours of continuous use on low mode Aircraft-grade aluminum casing, Type III hard anodizing Battery: 1x 26650 4000mAh lithium battery (included)