Tonsen Outdoor Waterproof Tactical LED Flashlight,5 Modes Mini Flashlights,18650 Rechargeable Battery And Charger Included,Black Using the latest CREE XM-L2, XML upgraded version. Adjustable focus range for different usage, stretching to adjust its focus 5 Mode: high / middle / low / strobe / sos Runs on 1x 18650 battery If you are not completely happy with your new flashlight. We Will Replace Or Refund Your Purchase