The Cateye EL135/Orb Light Set is a great value set of dependable battery-powered lights with formidable run times. Replacing the EL-130 front & Omni 3 rear light set, this new combination offers greater outputs on both lights and provides a significant saving over buying the same lights separately.Cateye EL135/Orb Light Set FeaturesEL-135 FrontMode: Output, RuntimeConstant:25 Lm, 80 hrsFlashing:25 Lm, 320 hrs2 x AA batteries & FlexTight bracket includedORB Black RearMode:Output, RuntimeConstant:5 Lm, 50 hrsFlashing:5 Lm, 100 hrsSlow Flashing:5 Lm, 100 hrs