Features£ºSmall size and easy to carry， large lighting range， making a wider vision while driving at nightUses aluminum alloy material， durable to use and has excellent thermal conductivityIntegrated design with good sealing craft ensures excellent waterproof performance， allowing you drive in any weather conditionsCharged by connecting the Micro USB cable to computer or plugging phone charger to wall power socket10LM， 4 light modes (strong， weak， slow flash， strobe)Specifications£ºMaterial: aluminum alloy + engineering plasticColor: black housing + red light4 modes: strong， weak， slow flash， strobeLED: 3 x bright LEDsHow to charge: through Micro USB cableUSB cable length: about 200 mmBattery: rechargeable li-polymer battery (650MAH 3.7V)Package Included:1 x Bike Rear tail light1 x USB charging cable1 x Accessory