Featuresr 5 high light led and 2 laser launchers design easy to be noticed at nightr the superbright tail light has 7 flashing modes of the led indicators and 2 laser modesr led working life can up to 100 000 hours low power consumption and energy savingr led indicators and laser launchers can operate simultaneouslyr the eye catching red indicators can play a good warning role in night cyclingr with a adjustable clamp easy to installr r noter please avoid exposure directly to your eye