Automatic direction change detection: The light automatically senses turns and changes in direction and displays a corresponding arrow to the way you're turning alerting those around you.
Install on your seat tube or bow.
This fully waterproof bike tail light combines regular visual warning with turn signal light and LD beams, providing a full round of visual warning effect.
IPX5 waterproof and dustproof means that the bike light can be used normally during the rainy day.
Free delivery to mainland UK. No guarantee for Pre-Christmas delivery after the 15th December