[Specifications] Type: USB Bike light(upgrade) Material: ABS engineering plastic Function: lighting, speaker Lumens: 250 lm Waterproof rating: IPX6 Charging time: 2.5 hours Dimensions: 10.2*5.1cm Weight: 95g Lamp beads: T6 high brightness lamp beads Battery capacity: 1200mAh (3.7V) lithium battery Light mode: strong light/low light/flashing Sound mode:Buzzing sound/ Beep sound/ Whistle/Drip irrigation/ Horn sound Use time: 6 hours Color: Blue/Red/black/Green/Orange/Pink [Features] 100% brand new and high quality -The bicycle front light makes your bicycle stand out with an unparalleled 360° field of view, ensuring your safety in the dark. -Different lighting modes-you can easily cycle between the three lighting modes (100% brightness, 50% brightness, strobe) of the bicycle light by pressing the on/off button. The taillights also have two lighting modes (high and strobe) to act as a warning. -Provides 5 sound modes, long press for 3 seconds to change the mode, you can easily press the button to warn others in an emergency, riding safety is more secure -USB charging-this bicycle light is powered by a built-in rechargeable battery. You can charge the bicycle headlight through the USB charging cable (included). This bicycle light can be fully charged in 3.5 hours, and the battery ensures you can use it in strobe mode for up to 8 hours. -Upgraded material, excellent waterproof function, enough to deal with any rain Easy to assemble-LED bicycle lights can be used for various night activities, such as running, jogging, hiking, camping, dog walking, cycling, tire replacement, power failure, etc. It can be easily installed and removed without additional tools. The red parallel lines are Bike tail light(Use AAA battery) Package includes 1*BOX 1*Bicycle light 1*USB data cable 1*Manual