CooSpo Bike Rear Light, Smart Bicycle Tail Light USB Rechargeable,Waterproof Bike Back Light for Cycling,6 Light Working…

BIKE REAR LIGHT – Four light mode options, high brightness flash (5LM/48H)/ low brightness steady (2LM/12H)/ low brightness flash (2LM/66H). Built in a sensor of gravity and optical, features the function of intelligent braking detection and smart switching the working mode of day/night
MANUAL & AUTOMATIC SWITCH – In manual mode, three modes can be switched manually according to the riding environment. In automatic mode, turn on or switch the mode of the light at daytime, it will be go out after 3 seconds.The LED will go out once you keep stationary for more than 120 seconds at night. In both mode, When brake is detected, the high brightness of 10 lumens will be maintained for 3 seconds.When brake is over, it will return to the original mode
DUAL SETTING METHOD WITH FAST INSTALLATION KITS -We supply two types of installing: section rubber type mount on seat post, the saddle bracket to install under the seat cushion. Light, compact and qulified aluminum alloy construction,Waterproof rating up to IPX5
RECHARGEABLE REAR LIGHT – Built in a micro USB interface for charging this bike tail light (USB cable included). Please charge it when the indicator light turns red. It will turn green when fully charged
EQUIPED WITH 24 HIGH LUMEN LED LIGHTS – Max 10LM brightness/ Max 66 hrs battery life/ Extremely lightweight/ Much more durable for daily used even in the worst weather