Description 100% Brand new and high quality Two bright, energy-efficient LEDs. Install or remove without any tools. Lighting modes: long flashing light and fast flashing light. Body Color: Black Light Color: White Function: 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 Included: 2x Bike Light NOTE:As the effect varies from monitor to monitor, there is irrevocable slightly difference in colors between the color showed on your monitor and the real one, So if dear you can not accept this very little difference, be cautious before you making the orders.thanks for understanding.