This product is universal for all kinds of motorcycles Helmet in the market. Its do not hurt helmet, use double-sided glue, the residual gum after tear off is less. Firm, not easy to age, flashing bar is waterproof.Blinking, steady, warning three-shift mode.The service life is about 5000 hours. The turn signal light is attached to a motorcycle helmet for warning effect which is quite obvious especially in foggy, rainy, or snowy weather, or at night or in dark environment. Note:-Please allow 1-2 cm differences due to manual measurement. Flashing bar is waterproof. Size: 380*35mm(approx),Blinking, steady, warning three-shift mode. We also thanks you for visiting our page and viewing our products or purchasing them, kindly gave your valuable feedback on our products. 100 percent brand new and high quality. Easy installation (install by professional).