Tail Light LED USB Rechargeable Sale! from $12.99 $2.96 Color RED WHITE BLUE Qty. Sold Out This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. They can be inserted into the mount at 90 degree angles, so you can mount vertically or horizontally regardless of orientate of the mounting strap. The mounting strap silicon is soft, making them easy to install. The light does not budge when mounted on my mountain bike seat stem. Details: Model Number: Rear Bike Light Mounting Placement: Frame Power Supply: Battery Certification: Qualified Name: Red Bike Light Long Steady Bright: 4 Hours Slow Flash: 10 Hours Strobe Flash: 8 Hours Color: Red/Blue/White Size: 7.5*3*2cm/2.95*1.18*0.79" Material: Plastic Power Supply: USB Charge Type: Bike Accessories