The headlight has 5 lighting modes. It's side light and taillight have high visibility and can make riders be seen far away. Features: The bike light produces bright light to enhance maximum visibility on the road for your cycling safety. Bicycle speedometer design, this headlight display can show not only speed but also single trip mileage, total mileage, riding time, calories and fat consumed. USB rechargeable, built in 1200mAh lithium-battery,it only takes 2.5 hours to charged completely. Withbatterys indicators, you can know the powers status clearly. 5 light modes switch, battery powered/USB charged/bike speedometer, there are more choices. It's highly dust and water resistant, a nice choice for cycling trip or other outdoor activities. Specifications: Material: ABS+GPPS Type: battery powered(type1), USB charged(type2), bike speedometer (optional) Color: red, blue, black(optional) Light source: leds Mode: 5 light modes Charged time: 2.5 hours Lumen: 300lm Electronic horn: 130db Batterys: 1200mAh Package size: 105*70*50mm/4.13*2.76*1.97in Package weight: 172g/6.07oz Notes: The battery-poweredbike light is powered by 3*AA batterys, which is not included. Packing List: 1*Speedometer Bicycle Light 1*Horn 1 Set*Fix Accessories