[Motorcycle helmet light]the is a smart helmet light with 164 pcs of ultra-bright LEDs built-in. it could mount to yourown helmet easily,With automatic brake indicator to improve your visibility either day or nightGet more safety on the road! [Helmet light material]The material is PC+ABS, the quality is guaranteed, the design is and waterproof, and the weight is only 0.15kg. [Easy to install] the launch box installation,the launch box installation in the appropriate location of the motorcycle, according to the instructions to connect the power cable, left and right turn signal lines and brake lights line,One click . [Helmet light parameters]:Battery capacity 2500mAh,Charging interface USB Type-C,Convenient to charge, you can ride for several days on a single charge during daily travel [Steering Indication]motorcycle left or right turn switch on, then the helmet lamp corresponding turn signal with the motorcycle turn signal flashing [The brake indicates] the motorcycle to brake, thenthe helmet lamp brake light turns from low to high. [Power on/off]switch the wireless automatic control mode,themotorcycle keys, 5 seconds after the helmet lightsautomatically off. Colour: As Shown Material: Plastic Package Contents: 1 x Motorcycle Warning Light 1 x USB cable 1 x Wireless intelligent module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.