This very bright 5 LED bike headlight will grab attention with its sharp flashing patterns. The two outermost LEDs are angled outward to catch the attention of motorists approaching from the sides. Visible from over 1500 feet. 2 AAA batteries included. 5 White LED. 3 Functions: Flash, Chasing, Steady. 2 wide x 1-3/4 high. Can be cliped on to your clothing or Mounted on to a bike (handlebar mounting clip included). Can be seen from over 1500 feet away. Takes 2 AAA batteries (included).