Power Supply:Battery Mounting Placement:Frame Type:LEDs Position:Front Light fireflys,wheel lights,Bicycle Flashlight, description100% Brand New.Weight:305gAppearance Colors: Black; Red; White; Blue(The Color will be delivered at random, thanks)Size: 37mm x 33mm X30mmMaterial: Flexible waterproof siliconeSolid, durable, extend strong Multi fixation 3 Kinds of switch: full light, flash, slow flash ...