1. UNIQUE DESIGN: Includes 2 turn signal lights (right and left) and 1 wireless remote control. This bicycle taillight can be installed on a bike seat post or the left and right turn lights can be separated and mounted on both sides of the rear pole to meet individual needs. 2. FIVE LIGHTING MODES WITH ALARM: The bike turn signals offer five lighting modes. Use the remote control to switch between left turn signal, right turn signal, yellow steady light, red steady light, and flashing strobe mode. Clearly indicate your riding direction to pedestrians and other road users. 3. WIRELESS REMOTE CONTROL: The taillight is operated via a handlebar-mounted remote control, allowing convenient operation during rides. Maximum control range is approximately 3–4 meters. The remote control is rechargeable when the battery runs out. 4. HIGH BRIGHTNESS: Features high-quality LED beads with 120 lumens output. Provides excellent visibility up to 50–100 meters, enhancing safety by alerting nearby pedestrians and vehicles during nighttime or poor weather conditions.