Bike Turn Signals - Our 75-lumen bicycle turn signals come with left and right turn signals, and can flash continuously for 4 hours when fully charged. The bike turn signals front and back with IP65 waterproof, which can be used for outdoor activities on rainy days, in snow, or in thick fog.Wireless Remote Control with 120 dB Bike Horn - The bicycle turn signals are controlled by wireless remote control with a 120-decibel bike bell, the LED of the button and audio indicate the user's current operation.4 LED Light Modes - This bike tail light with turn signals has 4 light modes. In addition to the left and right turn signal mode, this bike taillights also have a night caution mode (small red light that keeps flashing), and a warning mode (red light and yellow turn light keep flashing).Bike Tail Light Rechargeable - Our bicycle tail light with turn signals and remote control is rechargeable, which can be charged with the included charging cable and can be fully charged in 2 hours. During charging, the red light of the LED indicator is on, when fully charged, the green light is on.Wide Compatibility - The bicycle rear light equipped with the universal mounting bracket, is suitable for any vehicle type, including bicycles, electric bikes, scooters, tricycles, motorcycles, etc. The bike back light uses the silicon ring to install the bracket and is easy to install and remove without tools. Highly recommended turn signals for bicycles for office workers and students.