1. Smart bike tail light with alarm - not just a bicycle rear lamp, but also a hidden theft preventive bicycle alarm. This bicycle tail light is created on motion sensor and vibration alarm, it can help to determine thieves effectively with 110db loud alarm, provides additional and give you peace when your vehicles park outdoors. 7 level adjustable vibration sensitivity from light touch to pushing or tattoo, you can easily adjust as your sensitivity need 2. Smart Bike Brake Lamp - Automatic Bicycle Brake Lamp is created on the herb sensor. Once the background brakes, automatic emphasis for the 2s to stimulate the other drivers behind you, effectively prevention behind you, avoids back -end collisions and traffic accidents. Slowly flashing/breath/fast flashing/fixed light/closed, 4 light mode is easily selected by wireless remote control 4. Intelligent automatic opening/closing - Don't worry, bike Backlight Burns with Auto Night Sleeping. Create a light sensor and motion sensor. In slow flashing and breathing modes, the tail light automatically closes after 30 seconds of inactivity in dark environments and opens when the movement is detected. In bright environments, it closes automatically to record power, if you need a day's tail light, you can choose quickly flashing/fixed light (this 2 mode is smart/no closure function) 5. 2 Installation Methods - 2 The assembly bracket for the installation method comes with cable bonds. Suitable parenthesis installation for tube installation location. Zip bonds suitable installation for irregular assembly objects. Easy to install. An affordable and practical bicycle accessory