DescriptionThe body color is the light color (the black color is white light)Design of water and prevent leaching. Two bright、 energy-efficient LEDs. Install or remove without any tools、 only need 3 seconds. Lighting modes: long flashing light and fast flashing light. Body Color: Black・white、 red、 blue 、 yellow、 greenLight Color: White、 white 、red、 blue、 yellow、 greenFunction: Waterproof Battery Type: 2 coin ell-CR2032 included Lumens: 20000millicanrelas 4 Kinds of Switch: Full light、 flash、 slow flash、 off Button: One-Touch switch design、 easy operation Body Material: Flexible waterproof silicone Lit Time: All the sustainable use of light 35 hours Scintillation sustainable use of 160 hours Technology: high brightness LED lights、 the service life of flashlight exceeds 100000 hours. Safety light only Dimension: Approx. 4.5 x 3.3 x 3cm (L*W*H) Package Include:2x Bike Light