HIGH QUALITY:This is a 100% brand new and high quality Brake Light. EASY TO USE:High brightness red LED, it flashes while you brake, Warning and Safty Light. WATER RESISTANT:waterproof design,circuit with special treatment,normal use on a rainy day. EASY TO MOUNT:As long as the wire grip device,such as C folder,V folder,pull the disc brake disc.Oil dish is not available! WITHOUT SWITCH BUTTON:The brake lights without switch button, only when the brakes will shine Oh!