Dresco 3 LED rear light This compact rear light with three powerful LED lights has two flashing modes in addition to the normal mode. The rear light can be mounted on the seat post or rear fork of the bicycle using the supplied adapter. Works on two supplied AAA batteries. Specifications: Color: red, black Material: plastic Type of light: LED Power supply: 2 x AAA batteries (included) Mounting: seat post or rear fork Contents: 1 Rear light 1 Mounting 2 Batteries