This LED bike tail light comes with an adjustable connecting buckle for easy DIY installation. You can install it on universal bikes for safety at night. This tail light features built-in 5 bright LEDs in 7 lighting modes and 2 red laser lights in 7 lighting modes. For LED light, you can set it to be steady-on, to flash rapidly or slowly, to slowly flash from left to right or from right to left, and more! For the laser lane marker, you can choose from steady-on mode and flash mode.

Suits universal bikes

Comes with adjustable connecting buckle

Easy DIY installation

Built-in 5 LEDs and 2 red laser lights

Laser lights in steady-on, flash modes

LED light modes of steady-on, rapid flash, slow flash, slow flash from left to right, slow flash from right to left, rapid flash from left to right, left-and-right loop flash

Resists water for everyday use

Laser Light: 685±5nm 2 red laser lights

Laser Light Modes: steady-on, flash

LED Light: 5 LEDs

LED Light Modes: steady-on, rapid flash, slow flash, slow flash from left to right, slow flash from right to left, rapid flash from left to right, left-and-right loop flash

Illuminating Range: 260°

Battery: 2x AAA (not included)

Dimensions: 3.15" x 2.72" x 1.30"(L x W x H)