Intelligent circuit control, Three memory dimmer circuit (1) Strong Light: current 2000mA, the brightness of 18,000 lumens One light bike lights, ... 1000 lumens, life is 100,000 hours2. Intelligent circuit control, Three memory dimmer circuit (1) Strong Light: current 2000mA, the brightness ... battery pack, whether the side can cause explosions and fire. One T6 8.4V Rechargeable Bicycle Light