A classic red rear bike light. It features eight different modes/functions, from a steady light to a pulsing flash. Batteries included. Features: - Rear light - Lumen output at high steady: 19 - Total run time at high steady: 1hr - 8 different Mode/Function options - Low Flash - High Flash - Fast flash -Pulse Flash - 2 Led Rotational flash - 2 Low and 1 High flash - Low Steady - High Steady - Battery charged