HIGH QUALITY:Brand new and high quality material, with waterproof design, the product can not be easily corroded, flexible and high temperature resistance. The LED Sticker is Super thin, High brightness, light No heat ,no UV created or no electromagnetic radiation and Flexible.The controller is made of ABS material, anti-wear, durable, -fixed, portable design.UNIVERSAL FIT: Motorcycle helmet DIY light stripe sticker is universal suitable for all kinds of motorcycles helmet. Battery Type: powered by 2 AA batteries.(without battery)3 MODES:: Motorcycle helmet lights led contains 3 different lighting modes: always on, Flash and Fast Flash They can easily change it with the controller.WATERPROOF DESIGN: Waterproof, low consumption. Has long service life under normal temperature, shockproof. Use double-sided adhesive, easy to clean after peeling off. SAFETY: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. light stand out on the road,which your safety.Product Display and high quality Do not hurt helmet,use double-sided glue,the residual after tear off is less,a few remain are swabable with cleaner essence can clear clean.Firm,not easy to age,flashing bar is waterproof.The service life is about 5000 hours.Battery: 2 x AA batteries(not included)Size: 380 x 35mm(approx)Thickness: 0.5mmouter casing colour:WhiteandblackLamp color:Ice BlueMaterial:ABSPackage Contents:2 x Helmet Light Strips1 x Double Joint Harness1 x Extension Line1 x Battery Case Driver(Batteries Not Included)Only the above package content, other products are not included.Note: Light 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.