1. Wireless control: bicycle indicator, supports wireless remote control within five meters. You can use the remote control according to your needs when driving, and it also supports the horn function. If you can't find the bike, use the remote control to make a sound, which is very convenient. 2. USB Charging: The bicycle tail light is equipped with a 600mAh battery, with high endurance. It comes with a USB charging cable. A 3hour charge allows you to use it for 9 hours (depending on lighting mode). There is no need to change batteries frequently. 3. with 5 Lighting Modes: The light core consists of 30 yellow LEDs 8 red LEDs with 5 modes. This bike tail light is equipped with a remote control that can switch to left flashing light, right flashing light, constant red light, constant yellow light, and fast flashing light. 4. Detachable design: single use/combined use. Contains 2 flashing lights (1 right, 1 left). This bicycle rear light with steering indicators can be installed in the same place or on both sides of the rear post of the bike.