Dimples Excel Silicone 7 LED Bike Light Set, White Headlight and Red Tailight QUALITY MATTERS: Premium quality silicone bike light set, white led front light, red led rear light with well-designed durable driver board, water-resistant core battery container. Many venders are selling this style, but ours are surely different, fine made with supreme quality. 7 LED WITH 3 MODES: Package includes: 1 x white LED front light and 1 x red LED taillight. Both of lights have 7 LEDs, 5 LEDs on the front and 1 on each side. The switch button is on the side and the modes go in a circle from flashing-strobe--constant. EXTRA LONG RUNTIMES (50HOURS): Powered by 3 pieces of AAA batteries with an extra-long runtime of at least 50 hours, detailed instructions on how to place batteries and how to attach lights on crossbars inside the packaging (Please notice that batteries are not included in this package, AAA battery is very common can be easily purchased from any physical stores) A TOUGH AND DURABLE GEAR: The core-container is very well sealed. It is water-resistant for daily use and rain-proof on rainy days. Free to go on a rainy day! However, please do not put it into water directly. It is not water-proof, and it is not for underwater and diving purpose. UNIVERSAL FITS: This set of bicycle lights fit all bikes. The white front light fits nicely on the handlebars. The red taillight fits on seat-posts. It is very easy to install on bike and take it off within seconds.