➤[anti-theft alarm bike tail light] the cycling security alarm can make a loud sound(115 db) to draw people's attention and deter the thieves. distance in the open, the remote control operating distance up to 50m(164 feet), easily find your bike location through light or sound.
➤[light perception bike back light] the light perception function will work when the bike taillight in the normal flash mode or breathing flash mode. if you drive in a dark environment, the taillights will automatically turn on, after leaving the darkroom, the bicycle does not move and vibrate for 30seconds, the taillights will turn off automatically. if you do not n...
➤[3 light modes with remote control] this bike alarm tail light have 3 light modes, mode 1: normal flash, mode 2: breathing flash, mode 3: steady on, you can change any modes that you like easily, with the remote control or short press the button on the bike tail light.
➤[smart brake sensing rear bike light] designed with the brake sensor, automatic ultra-bright brake light will automatically light up after braking. the bicycle light is super bright and highly visible from a distance, really catch attention to enhance your safety. the brake sensor function works on all the light modes.
➤[other features & warranty] 1, usb rechargeable. 2, 800mah super long battery life. 3, fast install. 4, high lumen brightness. 5, ipx65 waterproof. and we offer one year warranty, if you have any questions or problems, feel free to contact us at any time. we will help you to solve the problems or reship a new one for you.