76 LED Headlight Headlamp Flashlight Water-resistant Torch Extensive lifetime of LED (100,000hrs) Headlight with adjustable,non-slip head strap Powered by 4AA battery (not included) 3 lighting modes: press the first time, 12 white LED on; press the second time, 54 white LED on; Press the third time, all the white LED on; Press the forth time, all the LED on with flash. Size: 68mm in diameter