4 LED rechargeable front light. 3 LED rear light. Static and flashing mode for front lights. Static and flashing plus 3 other flashing modes on rear lights. Requires 4 x rechargeable AA and 2 x AAA batteries (included). Low battery indicator. Complete with charger and quick release brackets. Can be used as a torch. Front and rear fitting bracket. Approximately 10 hours run time with full charge.