Product description Function: NO MORE NEED TO RAISE YOUR ARM TO INDICATE YOUR DIRECTION - with just one thumb, you indicate your direction and are visible up to 100 meters away distance thanks to ultra-bright LEDs. In addition, the integrated sound signal alerts other road users and pedestrians of your presence. Other road users can anticipate your lane changes and hear you from a distance for your own safety; 5 MODE OPTIONS; LIGHTING - turn right and left with audible flasher at 120 dB, light red always on, red light flashing or all flashing. You can change the different signaling modes according to your needs; SIMPLE USE AND EASY TO INSTALL - Its quick release allows you to install the flashing lights and the remote control in less than 30 seconds, our flashing light adapts for all types of saddle post or luggage rack. Only 3 buttons for easy handling and to minimize reaction times. Press, flash, turn; RECHARGEABLE AND WATERPROOF - Built-in large capacity rechargeable battery, charge your rear light with flasher via USB, quick and easy from your computer or other charging methods. All cables are provided. Ride even in rainy weather without stress, Our system is water resistant thanks to IPX4 certification; WIRELESS REMOTE CONTROL - The wireless remote control is installed on the handlebars of your electric bike or scooter in just a few seconds, you can easily activate the signals by pressing the corresponding button. ;package includes: Bike Turn Signal and Tail Light with Sound Effects, Wireless Remote Control, 5 Different Lighting Modes, Rechargeable, Easy to Install, Be Visible and Show Your Direction at Any Time Main points: 1. The product size is measured manually, there may be errors 2. Since different monitors display different colors, please refer to the actual color you received. 3.Please confirm the size before purchasing. 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.