Easy to install and remove. Quick release bracket: universal for front and rear using. Super bright and wide light beam: available range of 800m. Seismic, impact resistance, non-thermal radiation, safe and stable, reliable. Energy-saving and high brightness. Material: plastic. Led bulbs: 5pcs led. Size: approx. 2.56 X 1.57 X 0.9 Inch/6.5 X 4 x 2.3 Cm. Colour: red. Package includes: 1 x bicycle rear light. 1 X bracket.