<p>5 Lighting Modes The product has a total of five modes: red light always on + left flashing high decibel horn + red light flashing + right flashing high decibel horn + all flashing. Number of luminous SMDs: SMD yellow light*9 (left)+SMD red light*14(middle)+SMD yellow light*9(right). You can change different light signal modes according to your needs.Wireless Remote Control The wireless remote control can be installed on the handlebar of your electric bike or scooter in seconds, you can easily activate the signal by pressing the corresponding button. Rechargeable and Waterproof The product has a built-in large capacity rechargeable battery, you can use a computer, tablet or other methods to charge your taillights via USB interface, easily and quickly. Easy to use and install Our flash is suitable for all types of seat posts or luggage racks, and the quick release function of the bicycle tail light allows you to install the flash and remote control in 30 seconds. In addition, there are only 3 buttons on the light, which is easy to operate and minimizes reaction time, which is beneficial to driving safety.</p> <p>Note: The data is all measured manually , please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.</p>