Bike Tail Light,5 LED 2 Laser Waterproof Safety Zone Bicycle Cycling RED Taillights IMPROVE SECURITY - This little laser tail light with 5 LED and 2 laser beams will keep you safe from incidents during night-time riding LIGHT MODE - 7 led modes,Often bright, flash, slow flash, left to right slow flash,right to left slow flash, left to right flash,back and forth flash, close.2 laser modes,Often bright, flash, close. PORTABILITY - The most suitable size for your pocket, backpacks, glove boxes, etc. EASY INSTALLATION - Fixate the light on your 20-31mm bike tube with an included mount (no tools required). WIDE APPLICATIONS - Widely used in jogging, walking, cycling, horse-riding, road emergency, camping, etc.