About this item Bike turn signals: This bicycle tail light is equipped with two turn signals and a remote control, using the remote control to control the left and right turn signals to ensure the safety of cyclists at night or in the rain. The working time of the LED bicycle turn signals can last about 4 hours of continuous flashing under a fully charged state. USB Rechargeable Bicycle Turn Signal Light: Our rechargeable bicycle tail light and remote control are designed with a USB port charger, which can be charged with the included charging cable and can be fully charged in 3 hours. The red light is on when charging, and the green light is on when fully charged. Remote control flasher: Just click the switch button to change the mode for the indicator LED steering. Mode 1: The red light keeps flashing (for night warning). Mode 2: The red light and the yellow indicator continue to flash (warning). Mode 3: LED direction indicator off. The turn signal can only be activated remotely in 1& 3. Please switch to mode 3 after use to save battery by remote control or LED direction indicator. Easy to install and remove: This warning bicycle tail light from security can be mounted on different types of bicycles and scooters. No tools are required, which could install and remove quickly. Front and rear bicycle turn signals easy to charge and carry. Wide compatibility: This wireless bicycle turn signal can be installed on the front or rear according to your needs. They are suitable for non-motorized vehicles such as bicycles, e-bikes, scooters, etc. Highly recommended bike taillight for office workers and students. If you have any questions, do not hesitate to contact us.