300 Lumen CREE Hight light LED, Long lifetime 10000 hours, and LED visibility 1000 M at night .
1200 MAH Li-Po battery, USB rechargebale, Last for about 5-7 hours with 1 full charge according to the models you choose.
Fit Φ15-32mm (0.59-1.26 Inch) including all bikes – racing, trekking, city, children’s bikes and Mountain bikes.
Mounted firmly, Install easily and quickly ,with no tools required. – Anyone can mount these front LED lights in a minute or less. This front mount was designed with thickness rubber to ensure bike light and the bracket tightly installed on the handlebars. Only about 80 g and very small size.