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 thanks to the ultra-bright LEDs. In addition, the integrated sound signal signals your presence to other road users and pedestrians. Other road users can anticipate your lane changes and hear you from a distance for your own safety; 5 LIGHTING MODE OPTIONS - turn right and left with 120 dB audible flashing, red light 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 turn signal adapts to all types of seat 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, recharge your tail light with turn signal via USB, simple and fast 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 handlebar of your bike or electric scooter in a few seconds, you can easily activate the signals by pressing the corresponding button. Is equipped with a cr2032 battery (included) with a battery life of more than 200 days;