Features: 100% Brand new and high quality 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 Light Color: White Function: Waterproof Battery Type: CR2032 battery 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 Package Included: 2 x Bike LightTTV