Super Bright Flash Tail Lights - The electric bike and scooter tail lights with flash are equipped with 40 LEDs, 80 lumens brightness, bright enough to be visible day and night. Unmatched battery life up to 6 hours; 5 Lighting Mode Options - Turn left and right, 120DB flashing sound, red light is always on, red light flashes or all flashes. You can cnge different signal modes according to your needs; Easy to Use - Installed in seconds and ready to go without tools, our Flash is suitable for all types of saddles or luggage racks (horizontally and vertically adjustable). Just 3 buttons to make it easier to grip and reduce reaction time. Press, flash and turn; Remote control: With 3 easy-to-use push buttons, the bike turn signals are controlled to send signals in different modes. Equipped with a CR2032 battery (included), a lifespan of more tn 200 days, easy for cyclists to control; Recrgeable and waterproof - Built-in large capacity recrgeable battery tt crges the taillights with a USB flash, quick and easy to crge from a computer or other means. All cables are provided. Light size: 9.75 * 3.4 cm, remote control size: 5.5 * 4.5 cm Package includes: Steering lamp * 1, Remote Control * 1, Fixed seat * 2 silicone Binding * 2, USB crger Wire * 1