2 Set USB Rechargeable LED Bicycle Headlight Bike Front Rear Light Cycling Lamp

Battery: 300mAh for Headlight,150mAh for Taillight. 700LM Super Bright Illumination. Taillight Light Modes: (Slide-Flashing-Always on). Tail Lights: 4 Modes (Steady On / Left → Right Scroll / Fast Flash / Right → Left Scroll) – stand out in traffic, rain, or fog.

eBay