[5 in 1 bicycle light]-- function with warning light\/brake light\/indicator\/electric bell\/theft warning system. Remind the surrounding pedestrians and vehicles in all directions to protect the safety of the car and the driver. [Bicycle Lighting]--The 200 degree wide angle design makes you more visible during night riding. With 6 lighting modes, you can choose what you want - slow flashing \/ breathing \/ fast flashing \/ continuous light \/ emergency light \/ off. [Right\/Left Flashing Light]--Simply turn on the right\/left indicators via the wireless remote control and draw drivers attention from multiple blocks away to ensure your safety when driving in traffic. Equipped with 3 electric bells can also be used as a good vehicle horn - electric car sound \/ horn sound \/ bird call sound. [110 dB and IP54 waterproof bicycle alarm]-- Theft-proof bicycle alarm can make a loud noise to attract peoples attention. 110 dB loud can effectively deter thieves, IP54 waterproof bicycle rear light and remote control ensure that it can be used in all kinds of bad weather. [USB C rechargeable and wireless remote control]-- Built-in 2000 mAh battery that fully charges the rear light alarm. Can be ready for 40 days. The remote control can be easily clamped to a 0.78-0.94 inch handlebar.