REMOTE TURN LIGHT: Easy to install. Lightweight and durable bicycle rear light that can be mounted on all bicycles, children's bicycle, adult bicycle. It can also be used as a helmet light, backpack light , warning lightand more SET YOUR OWN LIGHT MODES: 5 light mode options: turn right, turn left, solid red, red-blue flash, all flash bright. You can switch modes according to your needs and different occasions to getthe best lighting experience and keep you safe The turn signal is USB rechargeable and the RED light will turn GREEN after fully charged. 1-2 hour charge can be used for 4-6 hours. The remote control can easily replace the CR2032 battery WATERPROOF BIKE TAILLIGHT: The taillight is made of water-resistant material to ensure safe use in rainy weather. What are the specifications of the steering tail light Material: plastic Brightness: 10-15 lumens Lamp beads: 4 blue LEDs / 5 red LEDs / 28 yellow LEDs Lighting modes: turn right, turn left, solid red, red-blue flash, all bright flashes (press 2 turn buttons for 3 seconds) Lightweight battery: Built-in 500mAh rechargeable battery Remote control battery: CR2032 (replaceable) Light charging time: 1-2 hours (red light will turn GREEN) Working time: 4-6 hours Size: 12.2*4cm*4cm Weight: 155g What will you receive? 1 x Bike turn signal 1 x Remote control with installation base 1x USB Cable 2x User Manual Note: *When installing the taillight, please make sure the power button is upside down * When installing the remote control, please ensure that the remote control is in the correct position