1.MORE IN ONE SMART BIKE TAIL LIGHT WITH TURN SIGNALS: Multi-function anti-theft bike alarm tail lights. Feature with brake light /turn signal/warning light/electric bell/anti-theft alarm. Reminding the surrounding pedestrians and vehicles in all directions to protect the of the car and the rider - The practical bike accessory! 2.ULTRA-BRIGHT BICYCLE LIGHT WITH 6 LIGHT MODES: Built-in 31 high lumen COB LEDs inside to bring the brightness of the bicycle taillight to reach 160 lumens, 200-degree wide-angle design makes you more visible during the night ride. Six light modes adjustable, rider can use wireless remote to choose whatever you want. Slow Flashing/Breathing/Fast Blinking/Steady Light/Emergency Light/OFF. It is a perfect bicycle tail light for night riding. 3.LEFT/RIGHT TURN SIGNAL FUNCTION: Turn on right/left turn signals through the wireless remote control and get drivers' attention from several blocks away, securing your when riding in traffic. The taillight will beep when you turn left or right, keep beeping for 2 minutes, and then turn off automatically. If you want to finish sooner, press the turn left or right button again. 4.SMART BRAKE SENSING TAILLIGHT: Designed with the smart brake sensor, bike light will auto highlight for 2s after braking to alert other drivers behind you. Effectively prevent tailgating accidents. (NOTE: Except for Emergency Light Mode) 5.INTELLIGENT AUTO ON/OFF: 'Slowing Flashing' and 'Breathing' modes are intelligent auto modes, the bike alarm taillight will light up for the 30s and then detect the brightness of the riding environment, automatically turn off to save power when it is bright and turn on when it is dark. In a dark environment, if you stop for more than the 30s, it will turn off to save power, lights up after it is triggered by vibration. 6.110DB WIRELESS BIKE ALARM: Safer and more sensitive than wire/U-lock and disc lock after parking. Can protect your vehicle at any time, ultra high sensitivity even a light touch can sound the alarm. Park your bike on the road and install this bike security alarm so that you don't have to worry about your bike being stolen because it will sound a 110dB loud alarm when someone touches it. 7.USB RECHARGEABLE & IP65 WATERPROOF: Built-in a 2000mAh battery, at 7h full charge the taillight alarm can work up to 70+ hours. Upgraded wireless remote control is equipped with a replaceable coin cell battery, strong wireless range up to70m/229ft. Adopts a tighter waterproof function and energy saving technology, which can cope with all kinds of bad rain and snowstorm, and can be installed on the handlebars of the bicycle without worry. 8.EASY TO INSTALLTION: The remote controller clamps easily to a 0.78-0.94 inch handlebar. The bicycle taillight main unit is suitable for mounting on a 0.98-1.38 inch seat post. When the taillight needs to be charged, it can be easily removed from the bracket. 9.BIKE HORN & SENSITIVE ADJUSTABLE: Equipped with 3 electric bells can also be used as a good bike horn - Electic Car Sound/Horn Sound/Birdcall Sound. Moreover, the bike taillight alarm has 7 levels of sensitivity are adjustable, from light tapping to heavy hitting. When the sensitivity is too high, you can reduce the sensitivity, which can prevent accidental touch.