USB Rechargeable Bike Rear Tail Light for Saddle Bag Seat Tube Helmet

Product details:<br> <br> Enjoy a safe night ride<br> <br> Replaceable button battery<br> <br> ways to use<br> <br> Highlight front and rear lights<br> <br> Three modes, whatever you want<br> <br> Light color — red/yellow<br> <br> Product model — ET-136<br> <br> Battery — USB charging<br> <br> Material — plastic+usb<br> <br> Brightness — 20LM<br> <br> Battery — 22mAH<br> <br> Waterproof — life waterproof IPX5<br> <br> Function — It may be used with helmets, and can also be used with rubber belts to fix seats, hang backpacks, bags, clothes, etc.<br> <br> Lighting mode — ( first gear is always on) (the second gear is fast flashing eight (the third gear is slow flashing)<br> <br> USB Rechargeable Bike Rear Tail Light for Saddle Bag Seat Tube Helmet<br> <br> Product name — front and rear lights<br> <br> Package contents:<br> <br> 1 piece*tail light