•6 brightness adjustments for easy operation •Align the light base with the fastener and rotate for secure installation •3000 lumens high brightness long-range beam for safer night riding •Battery indicator light for real-time power monitoring •Intelligent temperature control and low-voltage protection for a longer lifespan •Functions: Alternate flashing of low and high beam/gear memory/low battery reminder/low voltage protection/charging indicator light/Type-C charging Specifications: •Material: aluminum alloy and lithium battery •Lamp beads model: 3570 30W lamp beads x 2 •Battery model: 2 x 21700 lithium batteries 10000mAh •Near light gear: four gears 1500lm 800lm 400lm 200lm •Low beam range: only low beam 4h 7.2h 14h 30h •High beam gear: 1500lm, 800lm •High beam range: High and low beam(different gears) 2.2-4.2h, 3-7.2h •Input power: 5V/2A •Output power: 5V/1A Package included: •1 x Bicycle Front Light •1 x Aluminum Alloy Bracket •1 x 6mm Gasket •1 x Type-C Data Cable •1 x Anti-slip Pad •1 x 3mm Hex Wrench •1 x English and Chinese Manual •Other items not included