[5-in-1 Smart Bike Tail Light]: Smart bike tail light with electric bike horn, anti theft vibration alarm, rear bike light, bike turn signals, auto bicycle brake light (build in G sensor) 5 functions. It ensures your safety when riding, especially for night riding. Then arm it by alarm function and take remote off after riding to prevent theft and provide additional security for your bike. 5 features combined into one product so you get a practical, space-saving and affordable bike accessory.[Ultra Bright Bicycle Rear Light with 6 Modes]: Bicycle Rear Light with super bright and extra-wide bike taillights with 31 high-end LED lights, up to 160 lumens of powerful flashes alert motorists at night and during the day, that enhance your visibility and safety. Slow Flashing/Breathing/Fast Blinking/Steady Light/Emergency Light/OFF, 6 light modes easily selected by remote.[Bike Turn Signals Function]: Easily press the R/L button of remote which clamps to handlebar before you turning, and right /left turn signal lights flash with click sound. Drivers and pedestrians behind you can not only see you, they can hear you from a distance and know which direction you're headed.[Smart Bike Brake Light]: Once you brake the rear light will auto highlight for 2s to alert other drivers behind you, effectively avoid rear-end collisions and traffic accidents. NOTE: Only on Slow Flashing/Breathing/Fast Blinking/Steady Light mode.[Vibration Alarm]: Antitheft bicycle alarm triggered by vibration, can help to deter thieves effectively, provide additional security and give you peace of mind when your vehicles park outdoors. 7 level adjustable sensitivity from gently touch to push or beat, you can easily adjust the sensitivity as your need.