BICYCLE HEADLIGHT OR TAILLIGHT - This bike light is available in white or red LED's, ideal for use as a front or rear indicator light HIGH VISIBILITY ON + DAY-SAFE FLASH MODES - Push button activates constant-on or attention-getting day-safe flash mode to keep you safe and visible on all your rides EASY, VERSATILE BIKE ATTACHMENT - Each light includes two sets of stretchy, durable attachment bands, and the light has a curved, grippy back so it can be mounted vertically or horizontally on a variety of locations on your bike 50 LUMEN WHITE LED + 15 LUMEN RED LED - Be seen and safe on all your rides with these bright LED bike indicator lights, powered by 3 AAA batteries (included) BUILT TO WITHSTAND THE ELEMENTS - These lights are weather-resistant and drop proof to 1 meter, so they can handle whatever Mother Nature dishes out on your ride