MIFIRE Smart Bike Tail Light Brake Sensing Bicycle Rear Light USB Rechargeable Auto On-Off Ultra Bright High Intensity IPX6 Waterproof Cycling Safety Warning Taillight for Mountain Road Bike

SENSITIVE BRAKING LIGHT The built-in high-precision sensor and depth algorithm can quickly detect the taillight even with slight braking, which will provide clear instrcution for the behinde riders and vehicles in dark night. It will auto off when during the bright light, which can save the power. QUICK CHARGING & LONG BATTERY LIFE Small but powerful bike tail light, which can last up to 50 hours once full charged by just 2 hours, ideal for long cycling journey in team or work. With a push of a button you can switch among its 6 original lighting modes. WATERPROFF IPX6 Waterproof and dust-proof, water spray from any direction will not enter the light even in heavy raining. CNC FULL ALUMINIUM ALLOY Well-designed and compact designs make the led tail light looks extremely cool and refined; Alloy material and solidly built make the flash light well quality and durable. HIGH-INTENSITY 6 COB LED BEADS Brightest high lumens led, 100 meters warning distance and 200 degree visibility make you visible for other road users. Compact Appearance, Wide Application The bike rear light is compact, which can be installed on all kinds of bikes, as well as on Helmets and backpacks. Not only suitable for cycling, but also a good choice for trekking or walking a dog.. Specification: Materials: aluminum alloy, ABS / PC Charging input: dc5v-280mah Charging time: 2 hours Battery: polymer battery, 1200mah / 1.554wh, 3.7V Waterproof grade: ipx6 Constant brightness: 46 lumens Size: 40x66x147mm/15.7x25.9x57.8in Weight: 89g/3.1oz Package Includes: 1* bike tail light 1*USB Cable 1* Silicone Strap 1*User Manual