Super Bright Flash Taillights - The taillights of e-bikes and scooters with flash are equipped with 40 LEDs, 80 lumens brightness, bright enough to be seen day and night. Unparalleled battery life up to 6 hours; 5 Light mode options - turn left and right, sound flashes at 120 DB, red light is always on, the red light flashes or everything flashes. You can change different signaling modes to suit your needs; Easy to use - installed in seconds and ready to go without tools, our Flash is suitable for any type of saddle or rack (adjustable horizontally and vertically). All it takes is 3 buttons to make it easier to grip and reduce reaction time. Push, flash and turn; Remote control: With 3 easy-to-use push buttons, the bike's turn signals are controlled to send signals in different modes. Equipped with cr2032 battery (included), which lasts more than 200 days, easy to control for cyclists; Recharging and waterproofing - built-in large capacity rechargeable battery that charges the taillights with a USB flash, quick and easy to charge from a computer or other means. All cables are supplied. Fire size: 9.75*3.4cm, remote control size: 5.5*4.5cm Package includes: Steering lamp*1, Remote Control*1, Fixed seat*2 silicone Binding*2, USB charger Wire*1