... led bicycle warning light 1,4 led supper lighting,red and white2,2 pcs of aaa battery3,silicon case waterproof MaterialWater proof ... button)Power supply2 pcs of AAA battry(include)Led4 led light ,superbrightInstallIt can be mounted on bicycle handle, ... seatpost, helmet, wheel, bag, umbrella, petFeatureFashion 4 led silicone bike light design, very beautifulSoft, steady, durable, waterproofNo matter ...