Laser rear light for bike path

This rear light consists of 5 LEDs and 2 laser LEDs. It attaches to seatposts from 24 mm to 31.8 mm in diameter. It features two functions that can be used independently or simultaneously. The LED function illuminates the 5 LEDs steadily or flashingly, while the laser function projects two red lines, either steady or flashing, on each side of your bike, simulating a bike path. Two AAA batteries are included.