Big things come in small packages, and that is no different with the Blinder Mini Front Bike Light Small but mighty. A front bike light that subtly straps onto any handlebar, until it's turned on. Then it's anything but subtle Features: Be seen from up to 300 metres away Unrivalled LED Technology - Surface mounted LEDs output 50 lumens with a 20 degree beam, so you'll be seen from up to 300 metres away. They have a run time of up to 30 hours and come programmed with 8 light modes Integrated USB Rechargeable - Blinder Mini's integrated USB connector plugs straight in to any available USB-A socket to recharge. No external charge cables = no worries. Just 3.5 hours to full charge Charge Indicators - When Blinder Mini is running low on battery, a red ring will light up around the button. This ring will turn green and then turn off once the light is fully charged and ready to go Simple & Smart Mounting - Blinder Mini comes with two silicone straps. A small strap for bars 22 32 mm+ diameter and a large strap that will fit tubes and head tube profiles with a circumference of up to 200 mm / 7.9 in. Incredibly simple to take on & off Specification: Bulb Type - Chip On Board (COB) LEDs Light Output Max - High Flash: 50 lm, Steady-On: 15 lm Run Time - High: 30 hrs, Low: 1.8 hrs Charge Time - 3.5 hours Waterproof - Yes, IP67 Rating Light Modes - 8 Fits Handle Bars - 22 - 32mm+ diameter, plus head tubes to 7.9 inches Rechargable - Yes (integrated USB-A connector) Dimensions - H: 40 mm x W: 33 mm x L: 31 mm Weight - 17 grams Low Battery Indicator - Yes Strap Material - Medical Grade Silicone Operating Temperature - -20 to 50 °C / -4 to 122 °F Optimum Charging Temperature - 20 to 22 °C / 68 to 72 °F (Room Temperature).