Bright things come in small packages with Serfas' Guppy combo light set. One white, and one red, these super light, super bright, inexpensive LEDs have both steady and flashing modes and a mounting system so versatile that you can mount it any way, anywhere. The entire body lights up for 360-degrees of visibility and the Guppies last for up to 120 hours with the included battery!
Run time: 90 hours (Steady) / 120 hours (Flashing)
Includes CR 2032 batteries