5 Modes Including Day Flash The Powerful 60 lumens headlight from Azur will help keep other road users alert to your presence. It has 4 Super bright white LEDs, with 5 modes: 100% Brightness, 50% Brightness, Flash, Slow pulse, Day flash to enhance your visibility and run time. Safety and Convenience Powered with a lithium polymer battery, at a steady 60 lumens, you can expect 2 hours run time, or if on flash 3.5 hours, and on Day flash up to 6 hours. There is a low battery indicator, and with only 3 hours charge time required, it is super convenient. The bracket is secure on your bike and quick and easy to remove for charging or to move between bikes. - Light weight and compact - Short charge time - Battery: lithium polymer battery 3.7V/300mAh - Micro-USB Cable - Low battery indicator - Charging time: 3hrs - Quick release tool free bracket Run Times: - 100% Brightness – 2hrs - 50% Brightness – 3.5hrs - Flash – 3.5hrs - Slow pulse – 3hrs - Day flash – 6hrs