Description: The 5 LED Bike Tail light is a great way to keep riders safe when cycling at night, Non-thermal radiation, safe and stable, reliable. Easily mounts to handlebars or seat so other riders or cars can clearly see you in the dark, 5 LED Safety Light Set mounts quickly onto most bicycle handlebars and seat posts, Visible to motorists far away. Set mounts quickly onto most bicycle handlebars and seat posts (rubber traps are included), each light has a quick-release system that makes it easy to remove from its mount when your bike is locked. Prevent theft by taking them with you. Featured with variable focus and waterproof performance; Perfect suitable for mountain/road/sports/adult/kids all bikes. Specification: Four Kinds Of Flash Modes: Constant, slow flash, flash explosion and flash in order. Material: ABS Lighting Color: Red Product Size: 7.5cm/2.95inch Function: Waterproof Suitable for less than 4cm tube Charging Time:2H Lighting Time:6H Package Includes: 1 Piece Bike Rear Light(2 Pack)