These sleek mini lights offer all the power in a compact NEW design. Ideal for Road or Off-Road use. Ride safe, in style! See and be seen with the Ravx Lumi X2 compact bicycle lights, on your bike or off. Use the white/clear light as a headlight and the red light as a taillight. These lights give you visibility up to a half mile. Select continuous, flashing, or of course off mode. The included battery provides 100 hours of operation, and it's an easily replaced standard battery.