This compact and bright LED bicycle rear light has two modes: steady light and flashing light. Easy to install and operate, and it can make your riding safer at night. <br><br><strong>Features:</strong> <br>Super bright red LED bicycle rear light. <br>One soft button with 2 modes: steady light and flashing light. <br>Comes with a adjustable clamp, easy to install and convenient to carry. <br>Powered by two AAA batteries(NOT included). <br>Make your riding safer at night.  <br><br><strong>Specifications:</strong> <br>Color: Black / White / Blue / Green (optional) <br>Material: Plastic <br>Light color: Red <br>Light number: 1 <br>Working time: 12h(steady light), 18h(flashing light) <br>Power: 2 * AAA battery (NOT included) <br>Item size: 6 * 2.3 * 2.5cm / 2.4 * 0.9 * 1in <br>Item weight: 33g / 1.19oz <br>Package size: 14.3 * 10.3 * 3.5cm / 5.6 * 4.1 * 1.4in <br>Package weight: 51g / 1.8oz <br><br><strong>Package List:</strong> <br>1 * Bicycle Tail Light <br>1 * Clamp