100% owimin original product, through CE certification! The biggest characteristic of brake version taillight is the wireless braking warning function so as to warn the behind vehicles to keep safe distance. Wireless brake warning: by intelligent detection technology, the 5 LED indicators will light up simultaneously for 2 seconds when you brake. * Intelligent control chip, build-in ultra-sensitive detection elements. With 5 superbright red LED indicators and 2 parallel laser beams design, easy to be noticed at night. * LED indicators and laser beams can operate simultaneously, very eye-catching! LED working life up to 100,000 hours, low power consumption and energy saving. * Auto off-after parking about 5 minutes, it will automatically shut down to reduce power consumption. * Particularly suitable for high-end bicycles and regular night cycling friends, playing a good warning role in night cycling! With an adjustable clamp, easy to install and remove.