Antusi A8 Pro Bicycle Security Alarm Tail Light

ANTI-THEFT ALARM: 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.

SMART BRAKE SENSING & LIGHT PERCEPTION: 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, ly catch attention to enhance your safety. If you drive in a dark environment, the taillights will automatically come on. After leaving the dark room, if the bicycle does not vibrate for 30 seconds, the taillights turn off automatically.