CatEye's EL135 Headlight and LD130 Taillight Combo is a great setup for nighttime visibility and safety. The compact EL135 headlight uses 3 super-bright LEDs for a wide beam that lets you see more of the road. With 2 AA batteries, it provides up to 80 hours of run time on steady mode and up to 320 hours on flash mode. CatEye's LD130 Taillight features 3 ultra-bright LEDs for excellent visibility, has flashing and steady modes, and runs for up to 150 hours on the included 2 AAA batteries. Plus, this kit includes no-tools universal mounts for each light for easy installation.