Red tail light with LED, easy to install with a rubber band. CatEye RAPID X Rear USB Rechargeable Safety Light TL-LD700-R - Brand: CATEYE - Color: Red - Type: Tail Light - Mounting Type: Rubber Band - Lighting Type: LED Light Thank you for viewing. I used it a few times and it's been sitting unused. I've included photos of it lit up, so it works without any problems.