JUMUERN Ultra Bright LED Bicycle Warning Tail Light - Bright visibility for safer riding: 32 SMD LEDs (14 red and 18 yellow) provide strong illumination and are visible from up to 150 ft in rainy or foggy conditions, as well as in dark or daytime riding. - 5 mode remote control turn signals: Left and right turn signals are operated by the remote. The five modes are turn right, turn left, red light always on, red light flashing, and all flashing. The remote uses three buttons to switch light modes. - 120 dB bike horn: Integrated horn enhances safety by delivering a loud audible warning when turning left or right. - IPX4 waterproof and USB rechargeable: Weather resistant for riding in rain or fog, with a built-in 500 mAh battery. Includes USB charging cable for convenient recharging. - Practical design for everyday riding: Rear light suitable for bicycles, combining bright illumination, signaling, and audible warning to improve visibility and safety in various riding scenarios. Use scenarios - Commuting in rain or fog at night: High brightness and remote turn signals help you be seen from a distance, while the horn provides an extra warning when turning. - Daytime city riding: High-visibility LEDs and flashing modes increase conspicuity in bright conditions, improving safety during busy traffic. - Group rides and urban routes: Use left/right signals to communicate intentions, with the option of red light or all flashing modes for added visibility in congested areas.