Keep you and your family safe and visible to oncoming traffic with our Westinghouse 3 LED bike tail light. It makes you exponentially more visible to cars coming from behind. What makes this bike light a rare find is its integrated red laser lights that project on the ground as you pedal to warn parked drivers of upcoming cyclists and prevent car doors from opening and accidentally striking them. Features: 3 Red LED Lights Adjustable Angle Requires 2 x AAA Batteries (Included). 30-hr. Continuous Runtime 3 Lighting Modes: Constant, Strobe, Laser Easily Installs on Most Bikes with Included Clamp No Special Tools Required