USB Rechargeable Bike Tail Light Set LED Bicycle Rear Lamp 5 Lighting Modes Built-in 300mAh Capacity Battery Cycling Safety Light

Features:
The tail bike light produces bright light to enhance maximum visibility on the road for your cycling safety.
Weather tight design. Can be used normally in rainy days.
USB rechargeable, built in 300mAh lithium-battery,it only takes 1 hours to charge completely while works about 30 hours.
5 light modes switch, there are more choices.
It's highly dust and water resistant, a nice choice for cycling trip or other outdoor activities.