The Niterider Sabre 80 Rear Light is a super bright, lightweight usb rechargeable led tail light. It utilizes a multi led array designed for eye catching visibility in both day and night. With the addition of amber coloured side lights, the sabre™ 80 provides 180 degrees of protection. Niterider Sabre 80 Rear Light Features Daylight visible flash (dvf) 80 lumen super bright tail light Easy on and off seat post strap mount with quick release tab Amber side lights for 180 degrees of visibility Convenient usb rechargeable Be seen by cars = be safe Fl1 standard ip64, water resistant