Riding without a light after dark is just flat out dangerous. See and be seen with the Cateye EL 135/LD 135 Omni cycling light combo. In one package you'll get excellent forward and lateral view and long-range rear visibility by motorists. The LED technology is the brightest and most long-lasting--plus LEDs are ultra-efficient with up to 320 hours running time flashing/80 hours constant-that's a lot of night riding. Features: 3 LED beams are ultra-bright, long lasting, and efficient HL-EL 135 will run 80 hours on constant mode and up to 320 hours on flashing mode; Uses two AA batteries; Provides excellent visibility 360-degree visibility enhances safety The Omni 3 taillight provides 360-degree visibility; Increases safety with three modes: rapid, flashing and constant Specifications: Brightness: 150 Lumens (Front) Battery Type: AA (Front), AAA (Rear) Run Time: 320 Hours (Front), 200 Hours (Rear) Beam Color: White, Red Color: Black Weight: -