SMART TAIL LIGHT WITH 5-IN-1 FEATURES - With electric horn, anti-theft vibration alarm, rear light, turn signals, auto brake light (build in G sensor) 5-in-1 functions. Use taillight, bicycle turn signals, auto brake light and bike horn to ensure your safety when riding, especially for night riding. Then arm it by alarm function and take remote down after riding to prevent theft and provide additional security for your bike or vehicle.BIKE TURN SIGNALS & BRAKE LIGHT - Easily press the R/L button of remote which clamps to handlebar before you turning, and R/L turn signals flash with clicking sound. Other drivers and pedestrians will be seen and heard from afar and know exactly which direction youll ride. Once you brake the tail light will auto highlight for 2s to alert other drivers behind you, NOTE on Slow FlashingBreathingFast BlinkingSteady Light mode only. Effectively avoid rear-end collisions and traffic accidents.VIBRATION ALARM & BIKE HORN- Anti-theft 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. With electric bike horn function, makes 110db loud horn sound when press remote. 3 horn sounds for your choice. IP64 Waterproof level make this bike turning light can be used in small to moderate rain in the temperature of in -4-140F.ULTRA-BRIGHT BICYCLE REAR LIGHT WITH 6 MODES - 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 FlashingBreathingFast BlinkingSteady LightEmergency LightOFF, 6 light modes easily selected by remote.SMART AUTO ON/OFF & RECHARGEABLE- No worry the taillight auto lights up at night. On Slow Flashing & Breathing modes, tail light automatically turns off after 30 seconds of inactivity in dark environments, and turns on when motion is detected. In bright environments it automatically turns off to save power. Comes with USB-C charging cable, build in rechargeable 3.7V 2000mAH lithium battery, at 7h full charge the taillight alarm can work up to 70 hours (on fast blinking mode)