①. Description【Super Bright LED Bike Tail Light with 6 Modes】 Bike Tail Light with 31 Premium LED Lights, Brightness Up to 160Lm, Make It Easier to See Objects in Foggy/Rainy Day or Even at Night 150 Feet Away, Which Improves Your Vision and Safety. With 6 Lighting Modes, Easily Selectable by Remote Control - Slow Flashing/Breathing/Fast Flashing/Steady On/Hazard Light/Off. ②. 【Smart Bike Brake Light】 Designed with Smart Brake Sensor, The Bike Brake Light Will Automatically Turn On After 2S Braking To Avoid Rear-End Collisions and Traffic Incidents. Greater Visibility, Ensuring Riding Safety. (Except Emergency Light Mode). ③. 【Bicycle Alarm, Anti-Theft】 The Anti-Theft Bicycle Alarm Can Emit Strong Sound And Vibrate, And 110Db Loud Can Effectively Deter Thieves. It Can Give You Extra Security And Peace Of Mind. In The Alert State, When The Bicycle Is Touched Or Knocked, The Host Will Sound A Warning Sound For 2 Seconds. If You Touch Or Knock Again Within 2-12 Seconds, The Host Will Sound A Continuous Sound For 30 Seconds To Deter The Thief. 7 Adjustable Sensitivity Levels From Light Touch To Push For You To Choose. ④. 【Electric Bell】 With Electric Bicycle Sound Alarm Function, When You Press The Remote Bell Button, It Emits A 110 Decibel Loud Bicycle Alarm. It Can Let Cars/Pedestrians/Drivers Know You Are Coming. 3 Sound Sounds - Electric Vehicle Horn/Beep/Bird Calling For You To Choose. ⑤. 【Smart Auto On/Off】Built-in Light Sensor And Motion Sensor, With Slow Flashing And Breathing Modes, The Taillight Will Automatically Turn Off After 30 Seconds Of Stopping In A Dark Environment And Turn On When Motion Is Detected. In A Bright Environment, It Will Automatically Turn Off To Save Energy. If You Need To Use The Taillight In Daylight, You Can Choose Fast Flashing/Steady Light (These 2 Modes Without Smart Functions).