LED HELMET LIGHT KIT long lasting so you can wear it in foggy, rainy, dark weather condition which actually fulfil the purpose of buying and wearing this light. - ATTACHABLE & DETACHABLE BATTERY CONTROLLER: It comes with mountable clip and 3M Sticker so you can stick this controller on your helmet. And if you do not want to stick it, it is also supplied with extension wire so you can keep it in pocket while riding. - COMPATIBLE WITH ANY HELMET: It is compatible with all type of helmet: - Full face helmet - Open face helmet - Flip up helmet - Motocross helmet - Smart helmet - Bicycle helmet - Modular helmet and many more. - 3 FLASHING MODE: Constant On mode, Flash mode, Quick flash mode, Swith off mode. - SUPER EASY INSTALLATION - As it is simple sticker type light strip, you simply need to pill-off and stick it on your helmet as per your choice. Once it is sticked, just joint given controller and you are ready to go.