Features: 1.New version feature : remote controller with horn ; controller and lights are used USB charging, Waterproof IPX6 2.Reative and stylish appearance, well coordinate with all kinds of bicycle: mountain bike ,road-bike, off- road bike ,racing bike ,electric scooter and so on. 3.Together with smart remote control, easily control the right/left turn signal, emergency light and alert guides, provide great safety for cyclist during night time or rainy day 4.Ultra-bright LEDs rare light make you visible from blocks away. It is your best partner for outdoor biking 5.The bike taillight has an excellent performance at night time. And big bright enough at day time.Remind drivers to keep safety distance when driving passes you 6.Easy to install. No tools required; Just hook on the durable quick-release rubber strap mount and you are ready to ride Bike Turn Signals Front Rear Light Set only,other accessories demo in the picture is not included. Specification: Material: ABS One Lamp Length: app.6.5cm/2.56in Color: Black Package Include: 4pcs Turn Light