TURN LIGHT REMOTE CONTROL: 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 light and more SET YOUR OWN LIGHT MODES: 5 light mode options: turn right, turn left, solid red, red-blue flash, all flashes bright. You can switch modes according to your needs and different occasions to get the best lighting experience and protect yourself The flashing light is USB rechargeable and the RED light turns GREEN after charging complete. 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.< /p> What is 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 flash - blue, all bright flashes (press 2 rotation buttons for 3 seconds) Lightweight battery: built-in 500mAh rechargeable battery Remote control battery: CR2032 (replaceable)< /p> 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 1 x USB Cable 2 x User Manual Note: * When installing the taillight, please make sure the power button is upside down * When installing the remote control , please make sure the remote control is in the correct position